diff --git a/services/backup/Cargo.lock b/services/backup/Cargo.lock
index 98d6a2334..f44beaac2 100644
--- a/services/backup/Cargo.lock
+++ b/services/backup/Cargo.lock
@@ -1,2203 +1,2214 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 version = 3
 
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  "quote",
  "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
 version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 
 [[package]]
 name = "web-sys"
 version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "webpki"
 version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
 dependencies = [
  "ring",
  "untrusted",
 ]
 
 [[package]]
 name = "which"
 version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
 dependencies = [
  "either",
  "libc",
  "once_cell",
 ]
 
 [[package]]
 name = "winapi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
 ]
 
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
  "winapi",
 ]
 
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
  "windows_aarch64_msvc 0.36.1",
  "windows_i686_gnu 0.36.1",
  "windows_i686_msvc 0.36.1",
  "windows_x86_64_gnu 0.36.1",
  "windows_x86_64_msvc 0.36.1",
 ]
 
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc 0.42.0",
  "windows_i686_gnu 0.42.0",
  "windows_i686_msvc 0.42.0",
  "windows_x86_64_gnu 0.42.0",
  "windows_x86_64_gnullvm",
  "windows_x86_64_msvc 0.42.0",
 ]
 
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
 
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
 
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
 
 [[package]]
 name = "windows_i686_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
 
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
 
 [[package]]
 name = "windows_i686_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
 
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
 
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
 
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
 [[package]]
 name = "xmlparser"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"
 
 [[package]]
 name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
diff --git a/services/backup/Cargo.toml b/services/backup/Cargo.toml
index e02621103..4bbf8e2f1 100644
--- a/services/backup/Cargo.toml
+++ b/services/backup/Cargo.toml
@@ -1,30 +1,30 @@
 [package]
 name = "backup"
 version = "0.1.0"
 description = "Backup service"
 homepage = "https://comm.app"
 license = "BSD-3-Clause"
 edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
 async-stream = "0.3"
 aws-config = "0.51.0"
 aws-sdk-dynamodb = "0.21.0"
 aws-types = "0.51.0"
 chrono = "0.4"
 clap = { version = "4.0", features = ["derive", "env"] }
-derive_more = "0.99"
+comm-services-lib = { path = "../comm-services-lib" }
 once_cell = "1.17"
 prost = "0.11"
 rand = "0.8.5"
 tokio = { version = "1.24", features = ["rt-multi-thread"]}
 tokio-stream = "0.1"
 tonic = "0.8"
 tracing = "0.1"
 tracing-futures =  { version = "0.2", features = ["futures-03"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter"]}
 uuid = { version = "1.2", features = ["v4"] }
 
 [build-dependencies]
 tonic-build = "0.8"
diff --git a/services/backup/Dockerfile b/services/backup/Dockerfile
index 95d6524e4..922dd8d4f 100644
--- a/services/backup/Dockerfile
+++ b/services/backup/Dockerfile
@@ -1,52 +1,53 @@
 FROM commapp/services-base:1.3.2 as builder
 
 ENV PATH=/root/.cargo/bin:$PATH
 
 # Install Curl
 RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y curl \
   && rm -rf /var/lib/apt/lists/*
 
 # Install Rust
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 
 RUN mkdir -p /home/comm/app/backup
 WORKDIR /home/comm/app/backup
 RUN cargo init --bin
 
 # Cache build dependencies in a new layer
 COPY services/backup/Cargo.toml services/backup/Cargo.lock ./
+COPY services/comm-services-lib ../comm-services-lib
 RUN cargo build --release && rm src/*.rs 
 
 # Copy actual application sources
 COPY services/backup .
 COPY shared/protos/backup.proto ../../shared/protos/
 COPY shared/protos/blob.proto ../../shared/protos/
 
 # Remove the previously-built binary so that only the application itself is
 # rebuilt
 RUN rm ./target/release/deps/backup*
 RUN cargo build --release
 
 # Runner stage
 FROM commapp/services-base:1.3.2 as runner
 
 # Create a new user comm and use it to run subsequent commands
 RUN useradd -m comm
 USER comm
 
 # Only copy built binary from builder stage
 WORKDIR /home/comm/app/backup
 COPY --from=builder /home/comm/app/backup/target/release/backup .
 
 ARG COMM_SERVICES_SANDBOX
 ENV COMM_SERVICES_SANDBOX=${COMM_SERVICES_SANDBOX}
 ARG LOCALSTACK_URL
 ENV LOCALSTACK_URL=${LOCALSTACK_URL}
 ARG BLOB_SERVICE_URL
 ENV BLOB_SERVICE_URL=${BLOB_SERVICE_URL}
 
 CMD ./backup \
   --localstack-url ${LOCALSTACK_URL} \
   --blob-service-url ${BLOB_SERVICE_URL}
   # The COMM_SERVICES_SANDBOX is processed by the executable
diff --git a/services/backup/src/database.rs b/services/backup/src/database.rs
index c0bf7f7c4..43ff1c17a 100644
--- a/services/backup/src/database.rs
+++ b/services/backup/src/database.rs
@@ -1,573 +1,461 @@
-use aws_sdk_dynamodb::{
-  model::AttributeValue, output::GetItemOutput, Error as DynamoDBError,
-};
+use aws_sdk_dynamodb::{model::AttributeValue, output::GetItemOutput};
 use chrono::{DateTime, Utc};
-use std::{
-  collections::HashMap,
-  fmt::{Display, Formatter},
-  sync::Arc,
-};
+use comm_services_lib::database::{self, DBItemError, Error};
+use std::{collections::HashMap, sync::Arc};
 use tracing::error;
 
 use crate::constants::{
   BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS, BACKUP_TABLE_FIELD_BACKUP_ID,
   BACKUP_TABLE_FIELD_COMPACTION_HOLDER, BACKUP_TABLE_FIELD_CREATED,
   BACKUP_TABLE_FIELD_RECOVERY_DATA, BACKUP_TABLE_FIELD_USER_ID,
   BACKUP_TABLE_INDEX_USERID_CREATED, BACKUP_TABLE_NAME,
   LOG_TABLE_FIELD_ATTACHMENT_HOLDERS, LOG_TABLE_FIELD_BACKUP_ID,
   LOG_TABLE_FIELD_DATA_HASH, LOG_TABLE_FIELD_LOG_ID,
   LOG_TABLE_FIELD_PERSISTED_IN_BLOB, LOG_TABLE_FIELD_VALUE, LOG_TABLE_NAME,
 };
 
 #[derive(Clone, Debug)]
 pub struct BackupItem {
   pub user_id: String,
   pub backup_id: String,
   pub created: DateTime<Utc>,
   pub recovery_data: String,
   pub compaction_holder: String,
   pub attachment_holders: String,
 }
 
 impl BackupItem {
   pub fn new(
     user_id: String,
     backup_id: String,
     compaction_holder: String,
   ) -> Self {
     BackupItem {
       user_id,
       backup_id,
       compaction_holder,
       created: chrono::Utc::now(),
       // TODO: Recovery data is mocked with random string
       recovery_data: crate::utils::generate_random_string(
         20,
         &mut rand::thread_rng(),
       ),
       attachment_holders: String::new(),
     }
   }
 }
 
 static LOG_ITEM_HEADERS_SIZE: usize = {
   let mut size: usize = 0;
   size += LOG_TABLE_FIELD_BACKUP_ID.as_bytes().len();
   size += LOG_TABLE_FIELD_LOG_ID.as_bytes().len();
   size += LOG_TABLE_FIELD_PERSISTED_IN_BLOB.as_bytes().len();
   size += LOG_TABLE_FIELD_VALUE.as_bytes().len();
   size += LOG_TABLE_FIELD_ATTACHMENT_HOLDERS.as_bytes().len();
   size += LOG_TABLE_FIELD_DATA_HASH.as_bytes().len();
   size
 };
 
 #[derive(Clone, Debug)]
 pub struct LogItem {
   pub backup_id: String,
   pub log_id: String,
   pub persisted_in_blob: bool,
   pub value: String,
   pub attachment_holders: String,
   pub data_hash: String,
 }
 
 impl LogItem {
   /// Calculates size based on raw log item components,
   /// without allocating a new item
   pub fn size_from_components(
     backup_id: &str,
     log_id: &str,
     log_hash: &str,
     data: &[u8],
   ) -> usize {
     let mut size: usize = LOG_ITEM_HEADERS_SIZE;
     size += backup_id.as_bytes().len();
     size += log_id.as_bytes().len();
     size += data.len();
     size += log_hash.as_bytes().len();
 
     // persistent in blob, attachment holders, use defaults here
     size += false.to_string().as_bytes().len();
     size += "".as_bytes().len();
 
     size
   }
 
   /// Total size of this item in the DynamoDB table. This value must be
   /// smaller than [`crate::constants::LOG_DATA_SIZE_DATABASE_LIMIT`]
   /// in order to successfully put this item into a DynamoDB database.
   pub fn total_size(&self) -> usize {
     let mut size: usize = LOG_ITEM_HEADERS_SIZE;
     size += self.backup_id.as_bytes().len();
     size += self.log_id.as_bytes().len();
     size += self.persisted_in_blob.to_string().as_bytes().len();
     size += self.value.as_bytes().len();
     size += self.attachment_holders.as_bytes().len();
     size += self.data_hash.as_bytes().len();
     size
   }
 }
 
 #[derive(Clone)]
 pub struct DatabaseClient {
   client: Arc<aws_sdk_dynamodb::Client>,
 }
 
 impl DatabaseClient {
   pub fn new(aws_config: &aws_types::SdkConfig) -> Self {
     DatabaseClient {
       client: Arc::new(aws_sdk_dynamodb::Client::new(aws_config)),
     }
   }
 
   // backup item
   pub async fn put_backup_item(
     &self,
     backup_item: BackupItem,
   ) -> Result<(), Error> {
     let item = HashMap::from([
       (
         BACKUP_TABLE_FIELD_USER_ID.to_string(),
         AttributeValue::S(backup_item.user_id),
       ),
       (
         BACKUP_TABLE_FIELD_CREATED.to_string(),
         AttributeValue::S(backup_item.created.to_rfc3339()),
       ),
       (
         BACKUP_TABLE_FIELD_BACKUP_ID.to_string(),
         AttributeValue::S(backup_item.backup_id),
       ),
       (
         BACKUP_TABLE_FIELD_RECOVERY_DATA.to_string(),
         AttributeValue::S(backup_item.recovery_data),
       ),
       (
         BACKUP_TABLE_FIELD_COMPACTION_HOLDER.to_string(),
         AttributeValue::S(backup_item.compaction_holder),
       ),
       (
         BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS.to_string(),
         AttributeValue::S(backup_item.attachment_holders),
       ),
     ]);
 
     self
       .client
       .put_item()
       .table_name(BACKUP_TABLE_NAME)
       .set_item(Some(item))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to put backup item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   pub async fn find_backup_item(
     &self,
     user_id: &str,
     backup_id: &str,
   ) -> Result<Option<BackupItem>, Error> {
     let item_key = HashMap::from([
       (
         BACKUP_TABLE_FIELD_USER_ID.to_string(),
         AttributeValue::S(user_id.to_string()),
       ),
       (
         BACKUP_TABLE_FIELD_BACKUP_ID.to_string(),
         AttributeValue::S(backup_id.to_string()),
       ),
     ]);
 
     match self
       .client
       .get_item()
       .table_name(BACKUP_TABLE_NAME)
       .set_key(Some(item_key))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find backup item");
         Error::AwsSdk(e.into())
       })? {
       GetItemOutput {
         item: Some(item), ..
       } => {
         let backup_item = parse_backup_item(item)?;
         Ok(Some(backup_item))
       }
       _ => Ok(None),
     }
   }
 
   pub async fn find_last_backup_item(
     &self,
     user_id: &str,
   ) -> Result<Option<BackupItem>, Error> {
     let response = self
       .client
       .query()
       .table_name(BACKUP_TABLE_NAME)
       .index_name(BACKUP_TABLE_INDEX_USERID_CREATED)
       .key_condition_expression("#userID = :valueToMatch")
       .expression_attribute_names("#userID", BACKUP_TABLE_FIELD_USER_ID)
       .expression_attribute_values(
         ":valueToMatch",
         AttributeValue::S(user_id.to_string()),
       )
       .limit(1)
       .scan_index_forward(false)
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find last backup");
         Error::AwsSdk(e.into())
       })?;
 
     match response.items.unwrap_or_default().pop() {
       Some(item) => {
         let backup_item = parse_backup_item(item)?;
         Ok(Some(backup_item))
       }
       None => Ok(None),
     }
   }
 
   pub async fn remove_backup_item(&self, backup_id: &str) -> Result<(), Error> {
     self
       .client
       .delete_item()
       .table_name(BACKUP_TABLE_NAME)
       .key(
         BACKUP_TABLE_FIELD_BACKUP_ID,
         AttributeValue::S(backup_id.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to remove backup item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   // log item
   pub async fn put_log_item(&self, log_item: LogItem) -> Result<(), Error> {
     let item = HashMap::from([
       (
         LOG_TABLE_FIELD_BACKUP_ID.to_string(),
         AttributeValue::S(log_item.backup_id),
       ),
       (
         LOG_TABLE_FIELD_LOG_ID.to_string(),
         AttributeValue::S(log_item.log_id),
       ),
       (
         LOG_TABLE_FIELD_PERSISTED_IN_BLOB.to_string(),
         AttributeValue::Bool(log_item.persisted_in_blob),
       ),
       (
         LOG_TABLE_FIELD_VALUE.to_string(),
         AttributeValue::S(log_item.value),
       ),
       (
         LOG_TABLE_FIELD_DATA_HASH.to_string(),
         AttributeValue::S(log_item.data_hash),
       ),
       (
         LOG_TABLE_FIELD_ATTACHMENT_HOLDERS.to_string(),
         AttributeValue::S(log_item.attachment_holders),
       ),
     ]);
 
     self
       .client
       .put_item()
       .table_name(LOG_TABLE_NAME)
       .set_item(Some(item))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to put log item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   pub async fn find_log_item(
     &self,
     backup_id: &str,
     log_id: &str,
   ) -> Result<Option<LogItem>, Error> {
     let item_key = HashMap::from([
       (
         LOG_TABLE_FIELD_BACKUP_ID.to_string(),
         AttributeValue::S(backup_id.to_string()),
       ),
       (
         LOG_TABLE_FIELD_LOG_ID.to_string(),
         AttributeValue::S(log_id.to_string()),
       ),
     ]);
 
     match self
       .client
       .get_item()
       .table_name(LOG_TABLE_NAME)
       .set_key(Some(item_key))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find log item");
         Error::AwsSdk(e.into())
       })? {
       GetItemOutput {
         item: Some(item), ..
       } => {
         let log_item = parse_log_item(item)?;
         Ok(Some(log_item))
       }
       _ => Ok(None),
     }
   }
 
   pub async fn find_log_items_for_backup(
     &self,
     backup_id: &str,
   ) -> Result<Vec<LogItem>, Error> {
     let response = self
       .client
       .query()
       .table_name(LOG_TABLE_NAME)
       .key_condition_expression("#backupID = :valueToMatch")
       .expression_attribute_names("#backupID", LOG_TABLE_FIELD_BACKUP_ID)
       .expression_attribute_values(
         ":valueToMatch",
         AttributeValue::S(backup_id.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find log items for backup");
         Error::AwsSdk(e.into())
       })?;
 
     if response.count == 0 {
       return Ok(Vec::new());
     }
 
     let mut results: Vec<LogItem> =
       Vec::with_capacity(response.count() as usize);
     for item in response.items.unwrap_or_default() {
       let log_item = parse_log_item(item)?;
       results.push(log_item);
     }
     Ok(results)
   }
 
   pub async fn remove_log_item(&self, log_id: &str) -> Result<(), Error> {
     self
       .client
       .delete_item()
       .table_name(LOG_TABLE_NAME)
       .key(
         LOG_TABLE_FIELD_LOG_ID,
         AttributeValue::S(log_id.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to remove log item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 }
 
-#[derive(
-  Debug, derive_more::Display, derive_more::From, derive_more::Error,
-)]
-pub enum Error {
-  #[display(...)]
-  AwsSdk(DynamoDBError),
-  #[display(...)]
-  Attribute(DBItemError),
-}
-
-#[derive(Debug, derive_more::Error, derive_more::Constructor)]
-pub struct DBItemError {
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-  attribute_error: DBItemAttributeError,
-}
-
-impl Display for DBItemError {
-  fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
-    match &self.attribute_error {
-      DBItemAttributeError::Missing => {
-        write!(f, "Attribute {} is missing", self.attribute_name)
-      }
-      DBItemAttributeError::IncorrectType => write!(
-        f,
-        "Value for attribute {} has incorrect type: {:?}",
-        self.attribute_name, self.attribute_value
-      ),
-      error => write!(
-        f,
-        "Error regarding attribute {} with value {:?}: {}",
-        self.attribute_name, self.attribute_value, error
-      ),
-    }
-  }
-}
-
-#[derive(Debug, derive_more::Display, derive_more::Error)]
-pub enum DBItemAttributeError {
-  #[display(...)]
-  Missing,
-  #[display(...)]
-  IncorrectType,
-  #[display(...)]
-  InvalidTimestamp(chrono::ParseError),
-}
-
-fn parse_string_attribute(
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-) -> Result<String, DBItemError> {
-  match attribute_value {
-    Some(AttributeValue::S(value)) => Ok(value),
-    Some(_) => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::IncorrectType,
-    )),
-    None => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::Missing,
-    )),
-  }
-}
-
-fn parse_bool_attribute(
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-) -> Result<bool, DBItemError> {
-  match attribute_value {
-    Some(AttributeValue::Bool(value)) => Ok(value),
-    Some(_) => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::IncorrectType,
-    )),
-    None => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::Missing,
-    )),
-  }
-}
-
-fn parse_datetime_attribute(
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-) -> Result<DateTime<Utc>, DBItemError> {
-  if let Some(AttributeValue::S(datetime)) = &attribute_value {
-    // parse() accepts a relaxed RFC3339 string
-    datetime.parse().map_err(|e| {
-      DBItemError::new(
-        attribute_name,
-        attribute_value,
-        DBItemAttributeError::InvalidTimestamp(e),
-      )
-    })
-  } else {
-    Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::Missing,
-    ))
-  }
-}
-
 fn parse_backup_item(
   mut item: HashMap<String, AttributeValue>,
 ) -> Result<BackupItem, DBItemError> {
-  let user_id = parse_string_attribute(
+  let user_id = database::parse_string_attribute(
     BACKUP_TABLE_FIELD_USER_ID,
     item.remove(BACKUP_TABLE_FIELD_USER_ID),
   )?;
-  let backup_id = parse_string_attribute(
+  let backup_id = database::parse_string_attribute(
     BACKUP_TABLE_FIELD_BACKUP_ID,
     item.remove(BACKUP_TABLE_FIELD_BACKUP_ID),
   )?;
-  let created = parse_datetime_attribute(
+  let created = database::parse_datetime_attribute(
     BACKUP_TABLE_FIELD_CREATED,
     item.remove(BACKUP_TABLE_FIELD_CREATED),
   )?;
-  let recovery_data = parse_string_attribute(
+  let recovery_data = database::parse_string_attribute(
     BACKUP_TABLE_FIELD_RECOVERY_DATA,
     item.remove(BACKUP_TABLE_FIELD_RECOVERY_DATA),
   )?;
-  let compaction_holder = parse_string_attribute(
+  let compaction_holder = database::parse_string_attribute(
     BACKUP_TABLE_FIELD_COMPACTION_HOLDER,
     item.remove(BACKUP_TABLE_FIELD_COMPACTION_HOLDER),
   )?;
-  let attachment_holders = parse_string_attribute(
+  let attachment_holders = database::parse_string_attribute(
     BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS,
     item.remove(BACKUP_TABLE_FIELD_ATTACHMENT_HOLDERS),
   )?;
   Ok(BackupItem {
     user_id,
     backup_id,
     created,
     recovery_data,
     compaction_holder,
     attachment_holders,
   })
 }
 
 fn parse_log_item(
   mut item: HashMap<String, AttributeValue>,
 ) -> Result<LogItem, DBItemError> {
-  let backup_id = parse_string_attribute(
+  let backup_id = database::parse_string_attribute(
     LOG_TABLE_FIELD_BACKUP_ID,
     item.remove(LOG_TABLE_FIELD_BACKUP_ID),
   )?;
-  let log_id = parse_string_attribute(
+  let log_id = database::parse_string_attribute(
     LOG_TABLE_FIELD_LOG_ID,
     item.remove(LOG_TABLE_FIELD_LOG_ID),
   )?;
-  let persisted_in_blob = parse_bool_attribute(
+  let persisted_in_blob = database::parse_bool_attribute(
     LOG_TABLE_FIELD_PERSISTED_IN_BLOB,
     item.remove(LOG_TABLE_FIELD_PERSISTED_IN_BLOB),
   )?;
-  let value = parse_string_attribute(
+  let value = database::parse_string_attribute(
     LOG_TABLE_FIELD_VALUE,
     item.remove(LOG_TABLE_FIELD_VALUE),
   )?;
-  let data_hash = parse_string_attribute(
+  let data_hash = database::parse_string_attribute(
     LOG_TABLE_FIELD_DATA_HASH,
     item.remove(LOG_TABLE_FIELD_DATA_HASH),
   )?;
-  let attachment_holders = parse_string_attribute(
+  let attachment_holders = database::parse_string_attribute(
     LOG_TABLE_FIELD_ATTACHMENT_HOLDERS,
     item.remove(LOG_TABLE_FIELD_ATTACHMENT_HOLDERS),
   )?;
   Ok(LogItem {
     log_id,
     backup_id,
     persisted_in_blob,
     value,
     data_hash,
     attachment_holders,
   })
 }
diff --git a/services/backup/src/service/mod.rs b/services/backup/src/service/mod.rs
index ea03fe8af..5e385c1f7 100644
--- a/services/backup/src/service/mod.rs
+++ b/services/backup/src/service/mod.rs
@@ -1,241 +1,241 @@
 use aws_sdk_dynamodb::Error as DynamoDBError;
+use comm_services_lib::database::Error as DBError;
 use proto::backup_service_server::BackupService;
 use std::pin::Pin;
 use tokio::sync::mpsc;
 use tokio_stream::{wrappers::ReceiverStream, Stream, StreamExt};
 use tonic::{Request, Response, Status};
 use tracing::{debug, error, info, instrument, trace, warn};
 use tracing_futures::Instrument;
 
 use crate::{
-  blob::BlobClient,
-  constants::MPSC_CHANNEL_BUFFER_CAPACITY,
-  database::{DatabaseClient, Error as DBError},
+  blob::BlobClient, constants::MPSC_CHANNEL_BUFFER_CAPACITY,
+  database::DatabaseClient,
 };
 
 mod proto {
   tonic::include_proto!("backup");
 }
 pub use proto::backup_service_server::BackupServiceServer;
 
 /// submodule containing gRPC endpoint handler implementations
 mod handlers {
   pub(super) mod add_attachments;
   pub(super) mod create_backup;
   pub(super) mod pull_backup;
   pub(super) mod send_log;
 
   // re-exports for convenient usage in handlers
   pub(self) use super::handle_db_error;
   pub(self) use super::proto;
 }
 use self::handlers::create_backup::CreateBackupHandler;
 use self::handlers::pull_backup::PullBackupHandler;
 use self::handlers::send_log::SendLogHandler;
 
 pub struct MyBackupService {
   db: DatabaseClient,
   blob_client: BlobClient,
 }
 
 impl MyBackupService {
   pub fn new(db_client: DatabaseClient, blob_client: BlobClient) -> Self {
     MyBackupService {
       db: db_client,
       blob_client,
     }
   }
 }
 
 // gRPC implementation
 #[tonic::async_trait]
 impl BackupService for MyBackupService {
   type CreateNewBackupStream = Pin<
     Box<
       dyn Stream<Item = Result<proto::CreateNewBackupResponse, Status>> + Send,
     >,
   >;
 
   #[instrument(skip_all, fields(device_id, backup_id, blob_holder))]
   async fn create_new_backup(
     &self,
     request: Request<tonic::Streaming<proto::CreateNewBackupRequest>>,
   ) -> Result<Response<Self::CreateNewBackupStream>, Status> {
     use proto::create_new_backup_request::Data::*;
 
     info!("CreateNewBackup request: {:?}", request);
     let mut in_stream = request.into_inner();
     let (tx, rx) = mpsc::channel(MPSC_CHANNEL_BUFFER_CAPACITY);
     let db = self.db.clone();
     let blob_client = self.blob_client.clone();
     let worker = async move {
       let mut handler = CreateBackupHandler::new(db, blob_client);
       while let Some(message) = in_stream.next().await {
         let response = match message {
           Ok(proto::CreateNewBackupRequest {
             data: Some(UserId(user_id)),
           }) => handler.handle_user_id(user_id).await,
           Ok(proto::CreateNewBackupRequest {
             data: Some(DeviceId(device_id)),
           }) => handler.handle_device_id(device_id).await,
           Ok(proto::CreateNewBackupRequest {
             data: Some(KeyEntropy(key_entropy)),
           }) => handler.handle_key_entropy(key_entropy).await,
           Ok(proto::CreateNewBackupRequest {
             data: Some(NewCompactionHash(hash)),
           }) => handler.handle_data_hash(hash).await,
           Ok(proto::CreateNewBackupRequest {
             data: Some(NewCompactionChunk(chunk)),
           }) => handler.handle_data_chunk(chunk).await,
           unexpected => {
             error!("Received an unexpected request: {:?}", unexpected);
             Err(Status::unknown("unknown error"))
           }
         };
 
         trace!("Sending response: {:?}", response);
         if let Err(e) = tx.send(response).await {
           error!("Response was dropped: {}", e);
           break;
         }
         if handler.should_close_stream {
           trace!("Handler requested to close stream");
           break;
         }
       }
       if let Err(status) = handler.finish().await {
         trace!("Sending error response: {:?}", status);
         let _ = tx.send(Err(status)).await;
       }
       debug!("Request finished processing");
     };
     tokio::spawn(worker.in_current_span());
 
     let out_stream = ReceiverStream::new(rx);
     Ok(Response::new(
       Box::pin(out_stream) as Self::CreateNewBackupStream
     ))
   }
 
   #[instrument(skip_all, fields(backup_id, log_id))]
   async fn send_log(
     &self,
     request: Request<tonic::Streaming<proto::SendLogRequest>>,
   ) -> Result<Response<proto::SendLogResponse>, Status> {
     use proto::send_log_request::Data::*;
 
     info!("SendLog request: {:?}", request);
     let mut handler = SendLogHandler::new(&self.db, &self.blob_client);
 
     let mut in_stream = request.into_inner();
     while let Some(message) = in_stream.next().await {
       let result = match message {
         Ok(proto::SendLogRequest {
           data: Some(UserId(user_id)),
         }) => handler.handle_user_id(user_id).await,
         Ok(proto::SendLogRequest {
           data: Some(BackupId(backup_id)),
         }) => handler.handle_backup_id(backup_id).await,
         Ok(proto::SendLogRequest {
           data: Some(LogHash(log_hash)),
         }) => handler.handle_log_hash(log_hash).await,
         Ok(proto::SendLogRequest {
           data: Some(LogData(chunk)),
         }) => handler.handle_log_data(chunk).await,
         unexpected => {
           error!("Received an unexpected request: {:?}", unexpected);
           Err(Status::unknown("unknown error"))
         }
       };
 
       if let Err(err) = result {
         error!("An error occurred when processing request: {:?}", err);
         return Err(err);
       }
       if handler.should_close_stream {
         trace!("Handler requested to close request stream");
         break;
       }
     }
 
     let response = handler.finish().await;
     debug!("Finished. Sending response: {:?}", response);
     response.map(|response_body| Response::new(response_body))
   }
 
   type RecoverBackupKeyStream = Pin<
     Box<
       dyn Stream<Item = Result<proto::RecoverBackupKeyResponse, Status>> + Send,
     >,
   >;
 
   #[instrument(skip(self))]
   async fn recover_backup_key(
     &self,
     _request: Request<tonic::Streaming<proto::RecoverBackupKeyRequest>>,
   ) -> Result<Response<Self::RecoverBackupKeyStream>, Status> {
     Err(Status::unimplemented("unimplemented"))
   }
 
   type PullBackupStream = Pin<
     Box<dyn Stream<Item = Result<proto::PullBackupResponse, Status>> + Send>,
   >;
 
   #[instrument(skip_all, fields(backup_id = &request.get_ref().backup_id))]
   async fn pull_backup(
     &self,
     request: Request<proto::PullBackupRequest>,
   ) -> Result<Response<Self::PullBackupStream>, Status> {
     info!("PullBackup request: {:?}", request);
 
     let handler =
       PullBackupHandler::new(&self.db, &self.blob_client, request.into_inner())
         .await?;
 
     let stream = handler.into_response_stream().in_current_span();
     Ok(Response::new(Box::pin(stream) as Self::PullBackupStream))
   }
 
   #[instrument(skip_all,
     fields(
       backup_id = &request.get_ref().backup_id,
       log_id = &request.get_ref().log_id)
     )]
   async fn add_attachments(
     &self,
     request: Request<proto::AddAttachmentsRequest>,
   ) -> Result<Response<()>, Status> {
     info!(
       "AddAttachment request. New holders: {}",
       &request.get_ref().holders
     );
 
     handlers::add_attachments::handle_add_attachments(
       &self.db,
       &self.blob_client,
       request.into_inner(),
     )
     .await?;
 
     info!("Request processed successfully");
     Ok(Response::new(()))
   }
 }
 
 /// A helper converting our Database errors into gRPC responses
 fn handle_db_error(db_error: DBError) -> Status {
   match db_error {
     DBError::AwsSdk(DynamoDBError::InternalServerError(_))
     | DBError::AwsSdk(DynamoDBError::ProvisionedThroughputExceededException(
       _,
     ))
     | DBError::AwsSdk(DynamoDBError::RequestLimitExceeded(_)) => {
       warn!("AWS transient error occurred");
       Status::unavailable("please retry")
     }
     e => {
       error!("Encountered an unexpected error: {}", e);
       Status::failed_precondition("unexpected error")
     }
   }
 }
diff --git a/services/blob/Cargo.lock b/services/blob/Cargo.lock
index 30b29c0bb..6bc668311 100644
--- a/services/blob/Cargo.lock
+++ b/services/blob/Cargo.lock
@@ -1,2312 +1,2324 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 version = 3
 
 [[package]]
 name = "aho-corasick"
 version = "0.7.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
 dependencies = [
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 ]
 
 [[package]]
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 checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
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 [[package]]
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 [[package]]
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 checksum = "dad5c83079eae9969be7fadefe640a1c566901f05ff91ab221de4b6f68d9507e"
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 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
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 dependencies = [
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  "http",
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  "aws-types",
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  "bytes-utils",
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 name = "windows_x86_64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
 [[package]]
 name = "xmlparser"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"
 
 [[package]]
 name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
diff --git a/services/blob/Cargo.toml b/services/blob/Cargo.toml
index 33636fb81..7c0407cec 100644
--- a/services/blob/Cargo.toml
+++ b/services/blob/Cargo.toml
@@ -1,27 +1,28 @@
 [package]
 name = "blob"
 description = "Blob service"
 homepage = "https://comm.app"
 license = "BSD-3-Clause"
 version = "0.1.0"
 edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
 aws-config = "0.51.0"
 aws-sdk-dynamodb = "0.21.0"
 aws-sdk-s3 = "0.21.0"
 aws-types = "0.51.0"
 chrono = "0.4"
 clap = { version = "4.0", features = ["derive", "env"] }
+comm-services-lib = { path = "../comm-services-lib" }
 derive_more = "0.99"
 once_cell = "1.17"
 prost = "0.11"
 tokio = { version = "1.24", features = ["rt-multi-thread"]}
 tokio-stream = "0.1"
 tonic = "0.8"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"]}
 
 [build-dependencies]
 tonic-build = "0.8"
diff --git a/services/blob/Dockerfile b/services/blob/Dockerfile
index c01345784..915932c3e 100644
--- a/services/blob/Dockerfile
+++ b/services/blob/Dockerfile
@@ -1,44 +1,45 @@
 FROM commapp/services-base:1.3.2 as builder
 
 ENV PATH=/root/.cargo/bin:$PATH
 
 # Install Curl
 RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y curl \
   && rm -rf /var/lib/apt/lists/*
 
 # Install Rust
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 
 RUN mkdir -p /home/comm/app/blob
 WORKDIR /home/comm/app/blob
 RUN cargo init --bin
 
 # Cache build dependencies in a new layer
 COPY services/blob/Cargo.toml services/blob/Cargo.lock ./
+COPY services/comm-services-lib ../comm-services-lib
 RUN cargo build --release && rm src/*.rs 
 
 # Copy actual application sources
 COPY services/blob .
 COPY shared/protos/blob.proto ../../shared/protos/
 
 # Remove the previously-built binary so that only the application itself is
 # rebuilt
 RUN rm ./target/release/deps/blob*
 RUN cargo build --release
 
 # Runner stage
 FROM commapp/services-base:1.3.2 as runner
 
 # Create a new user comm and use it to run subsequent commands
 RUN useradd -m comm
 USER comm
 
 # Only copy built binary from builder stage
 WORKDIR /home/comm/app/blob
 COPY --from=builder /home/comm/app/blob/target/release/blob .
 
 ARG COMM_SERVICES_SANDBOX
 ENV COMM_SERVICES_SANDBOX=${COMM_SERVICES_SANDBOX}
 
 CMD ["./blob"]
diff --git a/services/blob/src/database.rs b/services/blob/src/database.rs
index dd88cc35d..0338831dc 100644
--- a/services/blob/src/database.rs
+++ b/services/blob/src/database.rs
@@ -1,401 +1,324 @@
 use aws_sdk_dynamodb::{
   model::AttributeValue, output::GetItemOutput, Error as DynamoDBError,
 };
 use chrono::{DateTime, Utc};
+use comm_services_lib::database::{self, DBItemError};
 use std::{
   collections::HashMap,
   fmt::{Display, Formatter},
   sync::Arc,
 };
 use tracing::error;
 
 use crate::{
   constants::{
     BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD,
     BLOB_REVERSE_INDEX_TABLE_HASH_INDEX_NAME,
     BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD, BLOB_REVERSE_INDEX_TABLE_NAME,
     BLOB_TABLE_BLOB_HASH_FIELD, BLOB_TABLE_CREATED_FIELD, BLOB_TABLE_NAME,
     BLOB_TABLE_S3_PATH_FIELD,
   },
   s3::S3Path,
 };
 
 #[derive(Clone, Debug)]
 pub struct BlobItem {
   pub blob_hash: String,
   pub s3_path: S3Path,
   pub created: DateTime<Utc>,
 }
 
 #[derive(Clone, Debug)]
 pub struct ReverseIndexItem {
   pub holder: String,
   pub blob_hash: String,
 }
 
 #[derive(Clone)]
 pub struct DatabaseClient {
   client: Arc<aws_sdk_dynamodb::Client>,
 }
 
 impl DatabaseClient {
   pub fn new(aws_config: &aws_types::SdkConfig) -> Self {
     DatabaseClient {
       client: Arc::new(aws_sdk_dynamodb::Client::new(aws_config)),
     }
   }
 
   // Blob item
 
   pub async fn put_blob_item(&self, blob_item: BlobItem) -> Result<(), Error> {
     let item = HashMap::from([
       (
         BLOB_TABLE_BLOB_HASH_FIELD.to_string(),
         AttributeValue::S(blob_item.blob_hash),
       ),
       (
         BLOB_TABLE_S3_PATH_FIELD.to_string(),
         AttributeValue::S(blob_item.s3_path.to_full_path()),
       ),
       (
         BLOB_TABLE_CREATED_FIELD.to_string(),
         AttributeValue::S(blob_item.created.to_rfc3339()),
       ),
     ]);
 
     self
       .client
       .put_item()
       .table_name(BLOB_TABLE_NAME)
       .set_item(Some(item))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to put blob item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   pub async fn find_blob_item(
     &self,
     blob_hash: &str,
   ) -> Result<Option<BlobItem>, Error> {
     let item_key = HashMap::from([(
       BLOB_TABLE_BLOB_HASH_FIELD.to_string(),
       AttributeValue::S(blob_hash.to_string()),
     )]);
     match self
       .client
       .get_item()
       .table_name(BLOB_TABLE_NAME)
       .set_key(Some(item_key))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find blob item");
         Error::AwsSdk(e.into())
       })? {
       GetItemOutput {
         item: Some(mut item),
         ..
       } => {
-        let blob_hash = parse_string_attribute(
+        let blob_hash = database::parse_string_attribute(
           BLOB_TABLE_BLOB_HASH_FIELD,
           item.remove(BLOB_TABLE_BLOB_HASH_FIELD),
         )?;
-        let s3_path = parse_string_attribute(
+        let s3_path = database::parse_string_attribute(
           BLOB_TABLE_S3_PATH_FIELD,
           item.remove(BLOB_TABLE_S3_PATH_FIELD),
         )?;
-        let created = parse_datetime_attribute(
+        let created = database::parse_datetime_attribute(
           BLOB_TABLE_CREATED_FIELD,
           item.remove(BLOB_TABLE_CREATED_FIELD),
         )?;
         Ok(Some(BlobItem {
           blob_hash,
           s3_path: S3Path::from_full_path(&s3_path)
             .map_err(|e| Error::Blob(BlobDBError::InvalidS3Path(e)))?,
           created,
         }))
       }
       _ => Ok(None),
     }
   }
 
   pub async fn remove_blob_item(&self, blob_hash: &str) -> Result<(), Error> {
     self
       .client
       .delete_item()
       .table_name(BLOB_TABLE_NAME)
       .key(
         BLOB_TABLE_BLOB_HASH_FIELD,
         AttributeValue::S(blob_hash.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to remove blob item");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   // Reverse index item
 
   pub async fn put_reverse_index_item(
     &self,
     reverse_index_item: ReverseIndexItem,
   ) -> Result<(), Error> {
     let holder = &reverse_index_item.holder;
     if self.find_reverse_index_by_holder(holder).await?.is_some() {
       error!("Failed to put reverse index. Holder already exists.");
       return Err(Error::Blob(BlobDBError::HolderAlreadyExists(
         holder.to_string(),
       )));
     }
 
     let item = HashMap::from([
       (
         BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD.to_string(),
         AttributeValue::S(reverse_index_item.holder),
       ),
       (
         BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD.to_string(),
         AttributeValue::S(reverse_index_item.blob_hash),
       ),
     ]);
     self
       .client
       .put_item()
       .table_name(BLOB_REVERSE_INDEX_TABLE_NAME)
       .set_item(Some(item))
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to put reverse index");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 
   pub async fn find_reverse_index_by_holder(
     &self,
     holder: &str,
   ) -> Result<Option<ReverseIndexItem>, Error> {
     let item_key = HashMap::from([(
       BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD.to_string(),
       AttributeValue::S(holder.to_string()),
     )]);
     match self
       .client
       .get_item()
       .table_name(BLOB_REVERSE_INDEX_TABLE_NAME)
       .set_key(Some(item_key))
       .consistent_read(true)
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find reverse index by holder");
         Error::AwsSdk(e.into())
       })? {
       GetItemOutput {
         item: Some(mut item),
         ..
       } => {
-        let holder = parse_string_attribute(
+        let holder = database::parse_string_attribute(
           BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD,
           item.remove(BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD),
         )?;
-        let blob_hash = parse_string_attribute(
+        let blob_hash = database::parse_string_attribute(
           BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD,
           item.remove(BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD),
         )?;
 
         Ok(Some(ReverseIndexItem { holder, blob_hash }))
       }
       _ => Ok(None),
     }
   }
 
   pub async fn find_reverse_index_by_hash(
     &self,
     blob_hash: &str,
   ) -> Result<Vec<ReverseIndexItem>, Error> {
     let response = self
       .client
       .query()
       .table_name(BLOB_REVERSE_INDEX_TABLE_NAME)
       .index_name(BLOB_REVERSE_INDEX_TABLE_HASH_INDEX_NAME)
       .key_condition_expression("#blobHash = :valueToMatch")
       .expression_attribute_names(
         "#blobHash",
         BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD,
       )
       .expression_attribute_values(
         ":valueToMatch",
         AttributeValue::S(blob_hash.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to find reverse indexes by hash");
         Error::AwsSdk(e.into())
       })?;
 
     if response.count == 0 {
       return Ok(vec![]);
     }
 
     let mut results: Vec<ReverseIndexItem> =
       Vec::with_capacity(response.count() as usize);
     for mut item in response.items.unwrap_or_default() {
-      let holder = parse_string_attribute(
+      let holder = database::parse_string_attribute(
         BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD,
         item.remove(BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD),
       )?;
-      let blob_hash = parse_string_attribute(
+      let blob_hash = database::parse_string_attribute(
         BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD,
         item.remove(BLOB_REVERSE_INDEX_TABLE_BLOB_HASH_FIELD),
       )?;
 
       results.push(ReverseIndexItem { holder, blob_hash });
     }
 
     return Ok(results);
   }
 
   pub async fn remove_reverse_index_item(
     &self,
     holder: &str,
   ) -> Result<(), Error> {
     self
       .client
       .delete_item()
       .table_name(BLOB_REVERSE_INDEX_TABLE_NAME)
       .key(
         BLOB_REVERSE_INDEX_TABLE_HOLDER_FIELD,
         AttributeValue::S(holder.to_string()),
       )
       .send()
       .await
       .map_err(|e| {
         error!("DynamoDB client failed to remove reverse index");
         Error::AwsSdk(e.into())
       })?;
 
     Ok(())
   }
 }
 
 #[derive(
   Debug, derive_more::Display, derive_more::From, derive_more::Error,
 )]
 pub enum Error {
   #[display(...)]
   AwsSdk(DynamoDBError),
   #[display(...)]
   Attribute(DBItemError),
   #[display(...)]
   Blob(BlobDBError),
 }
 
 #[derive(Debug)]
 pub enum BlobDBError {
   HolderAlreadyExists(String),
   InvalidS3Path(anyhow::Error),
 }
 
 impl Display for BlobDBError {
   fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
     match self {
       BlobDBError::HolderAlreadyExists(holder) => {
         write!(f, "Item for given holder [{}] already exists", holder)
       }
       BlobDBError::InvalidS3Path(err) => err.fmt(f),
     }
   }
 }
 
 impl std::error::Error for BlobDBError {}
-
-#[derive(Debug, derive_more::Error, derive_more::Constructor)]
-pub struct DBItemError {
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-  attribute_error: DBItemAttributeError,
-}
-
-impl Display for DBItemError {
-  fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
-    match &self.attribute_error {
-      DBItemAttributeError::Missing => {
-        write!(f, "Attribute {} is missing", self.attribute_name)
-      }
-      DBItemAttributeError::IncorrectType => write!(
-        f,
-        "Value for attribute {} has incorrect type: {:?}",
-        self.attribute_name, self.attribute_value
-      ),
-      error => write!(
-        f,
-        "Error regarding attribute {} with value {:?}: {}",
-        self.attribute_name, self.attribute_value, error
-      ),
-    }
-  }
-}
-
-#[derive(Debug, derive_more::Display, derive_more::Error)]
-pub enum DBItemAttributeError {
-  #[display(...)]
-  Missing,
-  #[display(...)]
-  IncorrectType,
-  #[display(...)]
-  InvalidTimestamp(chrono::ParseError),
-}
-
-fn parse_string_attribute(
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-) -> Result<String, DBItemError> {
-  match attribute_value {
-    Some(AttributeValue::S(value)) => Ok(value),
-    Some(_) => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::IncorrectType,
-    )),
-    None => Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::Missing,
-    )),
-  }
-}
-
-fn parse_datetime_attribute(
-  attribute_name: &'static str,
-  attribute_value: Option<AttributeValue>,
-) -> Result<DateTime<Utc>, DBItemError> {
-  if let Some(AttributeValue::S(datetime)) = &attribute_value {
-    // parse() accepts a relaxed RFC3339 string
-    datetime.parse().map_err(|e| {
-      DBItemError::new(
-        attribute_name,
-        attribute_value,
-        DBItemAttributeError::InvalidTimestamp(e),
-      )
-    })
-  } else {
-    Err(DBItemError::new(
-      attribute_name,
-      attribute_value,
-      DBItemAttributeError::Missing,
-    ))
-  }
-}
diff --git a/services/comm-services-lib/.gitignore b/services/comm-services-lib/.gitignore
new file mode 100644
index 000000000..eb5a316cb
--- /dev/null
+++ b/services/comm-services-lib/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/services/feature-flags/Cargo.lock b/services/comm-services-lib/Cargo.lock
similarity index 83%
copy from services/feature-flags/Cargo.lock
copy to services/comm-services-lib/Cargo.lock
index 603bdfd65..2ef3f60f2 100644
--- a/services/feature-flags/Cargo.lock
+++ b/services/comm-services-lib/Cargo.lock
@@ -1,1570 +1,1438 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 version = 3
 
 [[package]]
 name = "aho-corasick"
 version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
-name = "anyhow"
-version = "1.0.69"
+name = "android_system_properties"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "224afbd727c3d6e4b90103ece64b8d1b67fbb1973b1046c2281eed3f3803f800"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "aws-config"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56a636c44c77fa18bdba56126a34d30cfe5538fe88f7d34988fa731fee143ddd"
 dependencies = [
  "aws-http",
  "aws-sdk-sso",
  "aws-sdk-sts",
  "aws-smithy-async",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-json",
  "aws-smithy-types",
  "aws-types",
  "bytes",
  "hex",
  "http",
  "hyper",
  "ring",
- "time",
+ "time 0.3.20",
  "tokio",
  "tower",
  "tracing",
  "zeroize",
 ]
 
 [[package]]
 name = "aws-endpoint"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ca8f374874f6459aaa88dc861d7f5d834ca1ff97668eae190e97266b5f6c3fb"
 dependencies = [
  "aws-smithy-http",
  "aws-smithy-types",
  "aws-types",
  "http",
  "regex",
  "tracing",
 ]
 
 [[package]]
 name = "aws-http"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78d41e19e779b73463f5f0c21b3aacc995f4ba783ab13a7ae9f5dfb159a551b4"
 dependencies = [
  "aws-smithy-http",
  "aws-smithy-types",
  "aws-types",
  "bytes",
  "http",
  "http-body",
  "lazy_static",
  "percent-encoding",
  "pin-project-lite",
  "tracing",
 ]
 
 [[package]]
 name = "aws-sdk-dynamodb"
 version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28e71b3f397f2f39cb15fbba1c9105a88fd12b665e51100f02837667f27294f9"
 dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
  "aws-smithy-async",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-json",
  "aws-smithy-types",
  "aws-types",
  "bytes",
  "fastrand",
  "http",
  "tokio-stream",
  "tower",
 ]
 
 [[package]]
 name = "aws-sdk-sso"
 version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86dcb1cb71aa8763b327542ead410424515cff0cde5b753eedd2917e09c63734"
 dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
  "aws-smithy-async",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-json",
  "aws-smithy-types",
  "aws-types",
  "bytes",
  "http",
  "tokio-stream",
  "tower",
 ]
 
 [[package]]
 name = "aws-sdk-sts"
 version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdfcf584297c666f6b472d5368a78de3bc714b6e0a53d7fbf76c3e347c292ab1"
 dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
  "aws-smithy-async",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-query",
  "aws-smithy-types",
  "aws-smithy-xml",
  "aws-types",
  "bytes",
  "http",
  "tower",
 ]
 
 [[package]]
 name = "aws-sig-auth"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12cbe7b2be9e185c1fbce27fc9c41c66b195b32d89aa099f98768d9544221308"
 dependencies = [
  "aws-sigv4",
  "aws-smithy-http",
  "aws-types",
  "http",
  "tracing",
 ]
 
 [[package]]
 name = "aws-sigv4"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03ff4cff8c4a101962d593ba94e72cd83891aecd423f0c6e3146bff6fb92c9e3"
 dependencies = [
  "aws-smithy-http",
  "form_urlencoded",
  "hex",
  "http",
  "once_cell",
  "percent-encoding",
  "regex",
  "ring",
- "time",
+ "time 0.3.20",
  "tracing",
 ]
 
 [[package]]
 name = "aws-smithy-async"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b3442b4c5d3fc39891a2e5e625735fba6b24694887d49c6518460fde98247a9"
 dependencies = [
  "futures-util",
  "pin-project-lite",
  "tokio",
  "tokio-stream",
 ]
 
 [[package]]
 name = "aws-smithy-client"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff28d553714f8f54cd921227934fc13a536a1c03f106e56b362fd57e16d450ad"
 dependencies = [
  "aws-smithy-async",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-types",
  "bytes",
  "fastrand",
  "http",
  "http-body",
  "hyper",
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
  "tokio",
  "tower",
  "tracing",
 ]
 
 [[package]]
 name = "aws-smithy-http"
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+checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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 dependencies = [
  "log",
  "try-lock",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
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 [[package]]
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 [[package]]
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 checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"
 
 [[package]]
 name = "zeroize"
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diff --git a/services/comm-services-lib/Cargo.toml b/services/comm-services-lib/Cargo.toml
new file mode 100644
index 000000000..59a87e419
--- /dev/null
+++ b/services/comm-services-lib/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "comm-services-lib"
+version = "0.1.0"
+edition = "2021"
+license = "BSD-3-Clause"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+aws-config = "0.51.0"
+aws-types = "0.51.0"
+aws-sdk-dynamodb = "0.21.0"
+chrono = "0.4"
+derive_more = "0.99"
diff --git a/services/comm-services-lib/src/database.rs b/services/comm-services-lib/src/database.rs
new file mode 100644
index 000000000..ef953acc4
--- /dev/null
+++ b/services/comm-services-lib/src/database.rs
@@ -0,0 +1,110 @@
+use aws_sdk_dynamodb::{model::AttributeValue, Error as DynamoDBError};
+use chrono::{DateTime, Utc};
+use std::fmt::{Display, Formatter};
+
+#[derive(
+  Debug, derive_more::Display, derive_more::From, derive_more::Error,
+)]
+pub enum Error {
+  #[display(...)]
+  AwsSdk(DynamoDBError),
+  #[display(...)]
+  Attribute(DBItemError),
+}
+
+#[derive(Debug, derive_more::Error, derive_more::Constructor)]
+pub struct DBItemError {
+  attribute_name: &'static str,
+  attribute_value: Option<AttributeValue>,
+  attribute_error: DBItemAttributeError,
+}
+
+impl Display for DBItemError {
+  fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+    match &self.attribute_error {
+      DBItemAttributeError::Missing => {
+        write!(f, "Attribute {} is missing", self.attribute_name)
+      }
+      DBItemAttributeError::IncorrectType => write!(
+        f,
+        "Value for attribute {} has incorrect type: {:?}",
+        self.attribute_name, self.attribute_value
+      ),
+      error => write!(
+        f,
+        "Error regarding attribute {} with value {:?}: {}",
+        self.attribute_name, self.attribute_value, error
+      ),
+    }
+  }
+}
+
+#[derive(Debug, derive_more::Display, derive_more::Error)]
+pub enum DBItemAttributeError {
+  #[display(...)]
+  Missing,
+  #[display(...)]
+  IncorrectType,
+  #[display(...)]
+  InvalidTimestamp(chrono::ParseError),
+}
+
+pub fn parse_string_attribute(
+  attribute_name: &'static str,
+  attribute_value: Option<AttributeValue>,
+) -> Result<String, DBItemError> {
+  match attribute_value {
+    Some(AttributeValue::S(value)) => Ok(value),
+    Some(_) => Err(DBItemError::new(
+      attribute_name,
+      attribute_value,
+      DBItemAttributeError::IncorrectType,
+    )),
+    None => Err(DBItemError::new(
+      attribute_name,
+      attribute_value,
+      DBItemAttributeError::Missing,
+    )),
+  }
+}
+
+pub fn parse_bool_attribute(
+  attribute_name: &'static str,
+  attribute_value: Option<AttributeValue>,
+) -> Result<bool, DBItemError> {
+  match attribute_value {
+    Some(AttributeValue::Bool(value)) => Ok(value),
+    Some(_) => Err(DBItemError::new(
+      attribute_name,
+      attribute_value,
+      DBItemAttributeError::IncorrectType,
+    )),
+    None => Err(DBItemError::new(
+      attribute_name,
+      attribute_value,
+      DBItemAttributeError::Missing,
+    )),
+  }
+}
+
+pub fn parse_datetime_attribute(
+  attribute_name: &'static str,
+  attribute_value: Option<AttributeValue>,
+) -> Result<DateTime<Utc>, DBItemError> {
+  if let Some(AttributeValue::S(datetime)) = &attribute_value {
+    // parse() accepts a relaxed RFC3339 string
+    datetime.parse().map_err(|e| {
+      DBItemError::new(
+        attribute_name,
+        attribute_value,
+        DBItemAttributeError::InvalidTimestamp(e),
+      )
+    })
+  } else {
+    Err(DBItemError::new(
+      attribute_name,
+      attribute_value,
+      DBItemAttributeError::Missing,
+    ))
+  }
+}
diff --git a/services/comm-services-lib/src/lib.rs b/services/comm-services-lib/src/lib.rs
new file mode 100644
index 000000000..8fd0a6be8
--- /dev/null
+++ b/services/comm-services-lib/src/lib.rs
@@ -0,0 +1 @@
+pub mod database;
diff --git a/services/feature-flags/Cargo.lock b/services/feature-flags/Cargo.lock
index 603bdfd65..f637322a2 100644
--- a/services/feature-flags/Cargo.lock
+++ b/services/feature-flags/Cargo.lock
@@ -1,1570 +1,1741 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 version = 3
 
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 checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
 dependencies = [
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 ]
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
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  "aws-smithy-types",
  "aws-types",
  "bytes",
  "hex",
  "http",
  "hyper",
  "ring",
- "time",
+ "time 0.3.17",
  "tokio",
  "tower",
  "tracing",
  "zeroize",
 ]
 
 [[package]]
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 [[package]]
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  "bytes",
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 [[package]]
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  "aws-smithy-types",
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 [[package]]
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 [[package]]
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 checksum = "03ff4cff8c4a101962d593ba94e72cd83891aecd423f0c6e3146bff6fb92c9e3"
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  "form_urlencoded",
  "hex",
  "http",
  "once_cell",
  "percent-encoding",
  "regex",
  "ring",
- "time",
+ "time 0.3.17",
  "tracing",
 ]
 
 [[package]]
 name = "aws-smithy-async"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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 [[package]]
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 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
 version = "0.2.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
 version = "0.2.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
 
 [[package]]
 name = "web-sys"
 version = "0.3.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "webpki"
 version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
 dependencies = [
  "ring",
  "untrusted",
 ]
 
 [[package]]
 name = "winapi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
 ]
 
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
  "winapi",
 ]
 
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
  "windows_i686_gnu",
  "windows_i686_msvc",
  "windows_x86_64_gnu",
  "windows_x86_64_gnullvm",
  "windows_x86_64_msvc",
 ]
 
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
 dependencies = [
  "windows-targets",
 ]
 
 [[package]]
 name = "windows-targets"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
  "windows_i686_gnu",
  "windows_i686_msvc",
  "windows_x86_64_gnu",
  "windows_x86_64_gnullvm",
  "windows_x86_64_msvc",
 ]
 
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
 
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
 
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
 
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
 
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
 
 [[package]]
 name = "xmlparser"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d25c75bf9ea12c4040a97f829154768bbbce366287e2dc044af160cd79a13fd"
 
 [[package]]
 name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
diff --git a/services/feature-flags/Cargo.toml b/services/feature-flags/Cargo.toml
index f17c1f5cc..8ce247fcd 100644
--- a/services/feature-flags/Cargo.toml
+++ b/services/feature-flags/Cargo.toml
@@ -1,19 +1,20 @@
 [package]
 name = "feature-flags"
 description = "Feature Flags service"
 homepage = "https://comm.app"
 license = "BSD-3-Clause"
 version = "0.1.0"
 edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
 aws-config = "0.51.0"
 aws-types = "0.51.0"
 aws-sdk-dynamodb = "0.21.0"
 clap = { version = "4.0", features = ["derive", "env"] }
 http = "0.2"
 once_cell = "1.17"
+comm-services-lib = { path = "../comm-services-lib" }
 tokio = { version = "1.24", features = ["rt-multi-thread", "macros"]}
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"]}
diff --git a/services/scripts/list_services.sh b/services/scripts/list_services.sh
index 28d8289a1..6aa65ed4c 100755
--- a/services/scripts/list_services.sh
+++ b/services/scripts/list_services.sh
@@ -1,17 +1,18 @@
 #!/usr/bin/env bash
 
 set -e
 
 find . -maxdepth 1 \
   -type d \
   ! -name "base-image" \
   ! -name "docker-compose.yml" \
   ! -name "package.json" \
   ! -name "scripts" \
   ! -name "node_modules" \
   ! -name "commtest" \
   ! -name "lib" \
   ! -name "terraform" \
+  ! -name "comm-services-lib" \
   ! -name ".*" \
   -print0 | xargs -0 -n1 basename