cleaning up npm packages

docker-compose.yml

@@ -5,16 +5,22 @@ services:
   db:
     image: postgres:16-alpine
     restart: unless-stopped
+    # Username / password / db name come from your .env (or the defaults below),
+    # so you change them in one place and both services stay in sync.
     environment:
-      POSTGRES_USER: sde
-      POSTGRES_PASSWORD: sde_password
-      POSTGRES_DB: sde_toolkit
+      POSTGRES_USER: ${DB_USER:-sde}
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-sde_password}
+      POSTGRES_DB: ${DB_NAME:-sde_toolkit}
+    # Publish the DB to the host so `npm run dev` (running outside Docker) can
+    # reach it. Host port comes from DB_PORT in .env; inside Docker it's 5432.
+    ports:
+      - "${DB_PORT:-5432}:5432"
     volumes:
       - db_data:/var/lib/postgresql/data
       # Runs once on first startup to create the schema.
       - ./db/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U sde -d sde_toolkit"]
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-sde} -d ${DB_NAME:-sde_toolkit}"]
       interval: 5s
       timeout: 5s
       retries: 10
@@ -26,7 +32,12 @@ services:
       db:
         condition: service_healthy
     environment:
-      DATABASE_URL: postgres://sde:sde_password@db:5432/sde_toolkit
+      # "db" is the hostname of the database service above, on the compose network.
+      DB_HOST: db
+      DB_PORT: 5432
+      DB_USER: ${DB_USER:-sde}
+      DB_PASSWORD: ${DB_PASSWORD:-sde_password}
+      DB_NAME: ${DB_NAME:-sde_toolkit}
       PORT: 3000
       ORIGIN: ${ORIGIN:-http://localhost:3000}
     ports: