docker 3

docker-compose.yml

+version: '3.8'
+
+services:
+  # Next.js 应用服务
+  app:
+    build: .
+    container_name: chatroom-app
+    ports:
+      - "3000:3000"
+    environment:
+      - DATABASE_URL=postgresql://postgres:postgres@db:5432/chatroom?schema=public
+    depends_on:
+      db:
+        condition: service_healthy
+    restart: unless-stopped
+
+  # PostgreSQL 数据库服务
+  db:
+    image: postgres:15
+    container_name: chatroom-db
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: chatroom
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  postgres-data:
\ No newline at end of file