feat: 对接 PostgreSQL 存储层

docker-compose.yml

@@ -19,10 +19,32 @@ services:
     container_name: camtalk-backend
     environment:
       - APP_ENV=production
+      - CAMTALK_STORAGE_DRIVER=postgres
+      - CAMTALK_STORAGE_DSN=postgres://camtalk:camtalk123@postgres:5432/camtalk?sslmode=disable
+      - CAMTALK_AUTH_JWT_SECRET=78uWBBAF8XEQEotKDlrnlnd4y8i4WN3E4zXmNmC8BYQ=
+    depends_on:
+      - postgres
     networks:
       - camtalk-net
     restart: unless-stopped
 
+  postgres:
+    # 阿里云镜像，避免从 Docker Hub 拉取超时
+    image: registry.cn-hangzhou.aliyuncs.com/library/postgres:15-alpine
+    container_name: camtalk-postgres
+    environment:
+      POSTGRES_USER: camtalk
+      POSTGRES_PASSWORD: camtalk123
+      POSTGRES_DB: camtalk
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    networks:
+      - camtalk-net
+    restart: unless-stopped
+
+volumes:
+  pgdata:
+
 networks:
   camtalk-net:
     driver: bridge