修复：为 user-svc 添加健康检查和启动顺序控制

backend/docker-compose.dev.yml

@@ -7,6 +7,7 @@ networks:
 services:
   # Nginx 网关
   nginx:
+    container_name: backend-nginx
     image: nginx:1.25-alpine
     ports:
       - "8080:80"
@@ -19,14 +20,16 @@ services:
 
   # 网关服务
   gateway:
+    container_name: backend-gateway
     build:
-      context: ./gateway
-      dockerfile: Dockerfile
+      context: .
+      dockerfile: ./gateway/Dockerfile
     ports:
       - "8000:8000"
     volumes:
-      - ./gateway:/app
-    command: air -c .air.toml
+      - ./gateway/cmd:/app/cmd
+      - ./gateway/internal:/app/internal
+      - ./shared:/shared
     depends_on:
       - user-svc
       - redis
@@ -35,21 +38,26 @@ services:
 
   # 用户服务
   user-svc:
+    container_name: backend-user-svc
     build:
-      context: ./services/user-svc
-      dockerfile: Dockerfile
+      context: .
+      dockerfile: ./services/user-svc/Dockerfile
     ports:
       - "9000:9000"
     volumes:
-      - ./services/user-svc:/app
-    command: air -c .air.toml
+      - ./services/user-svc/cmd:/app/cmd
+      - ./services/user-svc/internal:/app/internal
+      - ./services/user-svc/proto:/app/proto
+      - ./shared:/shared
     depends_on:
-      - postgres
+      postgres:
+        condition: service_healthy
     networks:
       - backend-network
 
   # 数据库
   postgres:
+    container_name: backend-postgres
     image: postgres:18.3-alpine3.23
     environment:
       POSTGRES_USER: admin
@@ -62,9 +70,15 @@ services:
       - ./services/user-svc/migrations:/docker-entrypoint-initdb.d
     networks:
       - backend-network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U admin -d backend"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
 
   # Redis
   redis:
+    container_name: backend-redis
     image: redis:8.6.2-alpine
     ports:
       - "6379:6379"