chore: use shared postgres for family wishlist

docker-compose.yml

@@ -1,33 +1,16 @@
 services:
-  postgres:
-    image: postgres:16-alpine
-    restart: unless-stopped
-    environment:
-      POSTGRES_USER: ${POSTGRES_USER}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
-      POSTGRES_DB: ${POSTGRES_DB}
-    volumes:
-      - pgdata:/var/lib/postgresql/data
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
-      interval: 10s
-      timeout: 5s
-      retries: 10
-
-  backend:
+  family-wishlist-backend:
     build:
       context: .
       dockerfile: docker/backend.Dockerfile
+    container_name: family-wishlist-backend
     restart: unless-stopped
     env_file: .env
     environment:
       NODE_ENV: production
       UPLOADS_DIR: /app/apps/backend/uploads
       BACKEND_PORT: 3000
-      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}
-    depends_on:
-      postgres:
-        condition: service_healthy
+      DATABASE_URL: postgresql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}
     volumes:
       - uploads:/app/apps/backend/uploads
     healthcheck:
@@ -42,18 +25,26 @@ services:
       timeout: 5s
       retries: 5
       start_period: 20s
+    networks:
+      - postgres_default
 
   frontend:
     build:
       context: .
       dockerfile: docker/frontend.Dockerfile
+    container_name: family-wishlist-frontend
     restart: unless-stopped
     depends_on:
-      backend:
-        condition: service_started
+      family-wishlist-backend:
+        condition: service_healthy
     ports:
       - "8080:80"
+    networks:
+      - postgres_default
 
 volumes:
-  pgdata:
   uploads:
+
+networks:
+  postgres_default:
+    external: true