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+
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diff --git a/services/blob/Cargo.toml b/services/blob/Cargo.toml
index 39541735e..d021e625d 100644
--- a/services/blob/Cargo.toml
+++ b/services/blob/Cargo.toml
@@ -1,18 +1,22 @@
 [package]
 name = "blob"
 description = "Blob service"
 homepage = "https://comm.app"
 license = "BSD-3-Clause"
 version = "0.1.0"
 edition = "2021"
 links = "blob"
 
 [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"
 prost = "0.11"
 tokio = { version = "1.21", features = ["rt-multi-thread"]}
 tokio-stream = "0.1"
 tonic = "0.8"
 
 [build-dependencies]
 tonic-build = "0.8"
diff --git a/services/blob/src/constants.rs b/services/blob/src/constants.rs
index 3218dc330..c49be0c4c 100644
--- a/services/blob/src/constants.rs
+++ b/services/blob/src/constants.rs
@@ -1 +1,7 @@
 pub const GRPC_SERVER_DEFAULT_PORT: u64 = 50051;
+
+pub const AWS_REGION: &str = "us-east-2";
+
+pub const LOCALSTACK_URL: &str = "http://localhost:4566";
+
+pub const SANDBOX_ENV_VAR: &str = "COMM_SERVICES_SANDBOX";
diff --git a/services/blob/src/main.rs b/services/blob/src/main.rs
index 310607919..b802b2fa2 100644
--- a/services/blob/src/main.rs
+++ b/services/blob/src/main.rs
@@ -1,26 +1,41 @@
 pub mod constants;
 pub mod service;
+pub mod tools;
 
 use anyhow::Result;
+use aws_sdk_dynamodb::{Endpoint, Region};
 use service::{blob::blob_service_server::BlobServiceServer, MyBlobService};
 use std::net::SocketAddr;
-use tonic::transport::Server;
+use tonic::transport::{Server, Uri};
+
+async fn _get_aws_config() -> aws_types::SdkConfig {
+  let mut config_builder =
+    aws_config::from_env().region(Region::new(constants::AWS_REGION));
+
+  if tools::is_sandbox_env() {
+    config_builder = config_builder.endpoint_resolver(Endpoint::immutable(
+      Uri::from_static(constants::LOCALSTACK_URL),
+    ));
+  }
+
+  return config_builder.load().await;
+}
 
 async fn run_grpc_server() -> Result<()> {
   let addr: SocketAddr =
     format!("[::]:{}", constants::GRPC_SERVER_DEFAULT_PORT).parse()?;
   let blob_service = MyBlobService::default();
 
   println!("Starting gRPC server at port {}", addr.port());
   Server::builder()
     .add_service(BlobServiceServer::new(blob_service))
     .serve(addr)
     .await?;
 
   Ok(())
 }
 
 #[tokio::main]
 async fn main() -> Result<()> {
   run_grpc_server().await
 }
diff --git a/services/blob/src/tools.rs b/services/blob/src/tools.rs
new file mode 100644
index 000000000..1f6a43773
--- /dev/null
+++ b/services/blob/src/tools.rs
@@ -0,0 +1,12 @@
+use crate::constants;
+use std::env;
+
+fn is_env_flag_set(env_var_name: &str) -> bool {
+  let flag_value = env::var(env_var_name).unwrap_or_default().to_lowercase();
+  return ["1", "true"].contains(&flag_value.as_str());
+}
+
+/// Returns true if the `COMM_SERVICES_SANDBOX` environment variable is set
+pub fn is_sandbox_env() -> bool {
+  return is_env_flag_set(constants::SANDBOX_ENV_VAR);
+}