refactor: 统一 Docker 服务命名规范，全小写横杠分隔

backend/docker-compose.yml

@@ -1,51 +1,57 @@
 version: '3.8'
 
 services:
-  nginx:
+  asset-helper-nginx:
     image: nginx:1.25-alpine
+    container_name: asset-helper-nginx
     ports:
       - "80:80"
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
     depends_on:
-      - gateway
+      - asset-helper-gateway
     networks:
-      - backend-network
+      - asset-helper-network
 
-  gateway:
+  asset-helper-gateway:
     build:
       context: ./gateway
       dockerfile: Dockerfile
+    image: asset-helper-gateway
+    container_name: asset-helper-gateway
     ports:
       - "8080:8080"
     environment:
       - GO_ENV=production
-      - REDIS_ADDR=redis:6379
+      - REDIS_ADDR=asset-helper-redis:6379
     depends_on:
-      - redis
+      - asset-helper-redis
     networks:
-      - backend-network
+      - asset-helper-network
 
-  user-svc:
+  asset-helper-user-svc:
     build:
       context: ./services/user-svc
       dockerfile: Dockerfile
+    image: asset-helper-user-svc
+    container_name: asset-helper-user-svc
     ports:
       - "50051:50051"
     environment:
       - GO_ENV=production
-      - POSTGRES_HOST=postgres
+      - POSTGRES_HOST=asset-helper-postgres
       - POSTGRES_PORT=5432
       - POSTGRES_USER=admin
       - POSTGRES_PASSWORD=password
       - POSTGRES_DB=userdb
     depends_on:
-      - postgres
+      - asset-helper-postgres
     networks:
-      - backend-network
+      - asset-helper-network
 
-  postgres:
+  asset-helper-postgres:
     image: postgres:18.3-alpine3.23
+    container_name: asset-helper-postgres
     ports:
       - "5432:5432"
     environment:
@@ -53,23 +59,24 @@ services:
       - POSTGRES_PASSWORD=password
       - POSTGRES_DB=userdb
     volumes:
-      - postgres-data:/var/lib/postgresql/data
+      - asset-helper-postgres-data:/var/lib/postgresql/data
     networks:
-      - backend-network
+      - asset-helper-network
 
-  redis:
+  asset-helper-redis:
     image: redis:8.6.2-alpine
+    container_name: asset-helper-redis
     ports:
       - "6379:6379"
     volumes:
-      - redis-data:/data
+      - asset-helper-redis-data:/data
     networks:
-      - backend-network
+      - asset-helper-network
 
 volumes:
-  postgres-data:
-  redis-data:
+  asset-helper-postgres-data:
+  asset-helper-redis-data:
 
 networks:
-  backend-network:
+  asset-helper-network:
     driver: bridge