diff --git a/services/terraform/self-host/aws_db.tf b/services/terraform/self-host/aws_db.tf
index f6aad2f49..5d48b5f59 100644
--- a/services/terraform/self-host/aws_db.tf
+++ b/services/terraform/self-host/aws_db.tf
@@ -1,120 +1,120 @@
 locals {
   mariadb_database_name = local.local_with_default_environment_vars.COMM_DATABASE_DATABASE
   mariadb_username      = local.local_with_default_environment_vars.COMM_DATABASE_USER
   mariadb_password      = local.local_with_default_environment_vars.COMM_DATABASE_PASSWORD
   mariadb_port          = jsondecode(local.local_with_default_environment_vars.COMM_DATABASE_PORT)
 }
 
 # MariaDB Security Group
 resource "aws_security_group" "keyserver_mariadb_security_group" {
   name        = "keyserver-mariadb-sg"
   description = "Allow inbound traffic on port 3307 and all outbound traffic"
   vpc_id      = local.vpc_id
 
   # Inbound rules
   ingress {
     from_port       = local.mariadb_port
     to_port         = local.mariadb_port
     protocol        = "tcp"
     security_groups = [aws_security_group.keyserver_service.id]
   }
 
   ingress {
     from_port   = local.mariadb_port
     to_port     = local.mariadb_port
     protocol    = "tcp"
     cidr_blocks = [for ip in var.allowed_ips : "${ip}/32"]
   }
 
   # Outbound rules
   egress {
     from_port   = 0
     to_port     = 0
     protocol    = "-1"
     cidr_blocks = ["0.0.0.0/0"]
   }
 }
 
 # MariaDB RDS Instance
 resource "aws_db_instance" "mariadb" {
   allocated_storage      = 100
   max_allocated_storage  = 3000
   storage_type           = "gp3"
   db_name                = "mariadb"
   identifier             = "mariadb-instance"
   engine                 = "mariadb"
   engine_version         = "10.11"
-  instance_class         = "db.m6g.large"
+  instance_class         = var.db_instance_class
   db_subnet_group_name   = aws_db_subnet_group.public_db_subnet_group.name
   vpc_security_group_ids = [aws_security_group.keyserver_mariadb_security_group.id]
   username               = local.mariadb_username
   password               = local.mariadb_password
   parameter_group_name   = aws_db_parameter_group.mariadb_parameter_group.name
   storage_encrypted      = true
   publicly_accessible    = true
   port                   = local.mariadb_port
   skip_final_snapshot    = true
 }
 
 # MariaDB Parameter Group
 resource "aws_db_parameter_group" "mariadb_parameter_group" {
   name   = "mariadb-parameter-group"
   family = "mariadb10.11"
 
   parameter {
     apply_method = "pending-reboot"
     name         = "performance_schema"
     value        = "1"
   }
 
   parameter {
     apply_method = "immediate"
     name         = "max_allowed_packet"
     # 256 MiB: (1024 * 1024 * 256)
     value = "268435456"
   }
 
   parameter {
     apply_method = "immediate"
     name         = "local_infile"
     value        = "0"
   }
 
   parameter {
     apply_method = "immediate"
     name         = "sql_mode"
     value        = "STRICT_ALL_TABLES"
   }
 
   parameter {
     apply_method = "pending-reboot"
     name         = "innodb_buffer_pool_size"
     value        = "{DBInstanceClassMemory*3/4}"
   }
 
   parameter {
     apply_method = "pending-reboot"
     name         = "innodb_ft_min_token_size"
     value        = "1"
   }
 
   parameter {
     apply_method = "immediate"
     name         = "innodb_ft_enable_stopword"
     value        = "0"
   }
 }
 
 resource "null_resource" "create_comm_database" {
   depends_on = [aws_db_instance.mariadb, aws_security_group.keyserver_mariadb_security_group]
 
   provisioner "local-exec" {
     command = <<EOT
     mysql --user=${local.mariadb_username} \
           --port=${local.mariadb_port} \
           --host=${aws_db_instance.mariadb.address} \
           --execute="CREATE DATABASE IF NOT EXISTS ${local.mariadb_database_name};" \
           --password=${local.mariadb_password}
     EOT
   }
 }