Refactor database connection handling and update environment variable usage across Docker configurations

docker-compose.db.yaml

@@ -1,25 +1,27 @@
 services:
-  sqlserver:
+ sqlserver:
+    env_file: ".env.dev"
     image: mcr.microsoft.com/mssql/server:2022-latest
     platform: linux/amd64
     container_name: dev-env-sqlserver
     environment:
       ACCEPT_EULA: "Y"
-      SA_PASSWORD: "${SA_PASSWORD}"
+      SA_PASSWORD: "${DB_PASSWORD}"
       MSSQL_PID: "Express"
     ports:
       - "1433:1433"
     volumes:
       - sqlserverdata-dev:/var/opt/mssql
     healthcheck:
-      test: ["CMD-SHELL", "/opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P '${SA_PASSWORD}' -C -Q 'SELECT 1' || exit 1"]
+      test: ["CMD-SHELL", "/opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P '${DB_PASSWORD}' -C -Q 'SELECT 1' || exit 1"]
       interval: 10s
       timeout: 5s
       retries: 12
       start_period: 30s
     networks:
       - devnet
-  database.migrations:
+ database.migrations:
+    env_file: ".env.dev"
     image: database.migrations
     container_name: dev-env-database-migrations
     depends_on:
@@ -33,14 +35,17 @@ services:
         APP_UID: 1000
     environment:
       DOTNET_RUNNING_IN_CONTAINER: "true"
-      DB_CONNECTION_STRING: "${DB_CONNECTION_STRING}"
-      MASTER_DB_CONNECTION_STRING: "${MASTER_DB_CONNECTION_STRING}"
+      DB_SERVER: "${DB_SERVER}"
+      DB_NAME: "${DB_NAME}"
+      DB_USER: "${DB_USER}"
+      DB_PASSWORD: "${DB_PASSWORD}"
       CLEAR_DATABASE: "true"
     restart: "no"
     networks:
       - devnet
 
-  database.seed:
+database.seed:
+    env_file: ".env.dev"
     image: database.seed
     container_name: dev-env-database-seed
     depends_on:
@@ -54,11 +59,13 @@ services:
         APP_UID: 1000
     environment:
       DOTNET_RUNNING_IN_CONTAINER: "true"
-      DB_CONNECTION_STRING: "${DB_CONNECTION_STRING}"
+      DB_SERVER: "${DB_SERVER}"
+      DB_NAME: "${DB_NAME}"
+      DB_USER: "${DB_USER}"
+      DB_PASSWORD: "${DB_PASSWORD}"
     restart: "no"
     networks:
       - devnet
-
 volumes:
   sqlserverdata-dev:
     driver: local