chore(docker): move Dockerfile and docker-compose.yml from wwjcloud-nest to root docker/

docker/Dockerfile

@@ -0,0 +1,44 @@
+# ========================================
+# NestJS Backend Dockerfile
+# ========================================
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# 复制package文件
+COPY package*.json ./
+
+# 安装所有依赖（包括 devDependencies，用于构建）
+RUN npm ci && npm cache clean --force
+
+# 复制源码
+COPY . .
+
+# 构建应用
+RUN npm run build
+
+# 删除 devDependencies，只保留生产依赖
+RUN npm prune --production
+
+# ========================================
+# Production Stage
+# ========================================
+FROM node:20-alpine
+
+WORKDIR /app
+
+# 复制依赖和构建产物
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/package*.json ./
+
+# 暴露端口
+EXPOSE 3000
+
+# 健康检查
+HEALTHCHECK --interval=30s --timeout=3s --start-period=40s \
+  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+# 启动应用
+CMD ["node", "dist/main"]
+

docker/docker-compose.yml

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+services:
+  mysql:
+    image: mysql:8.0
+    container_name: wwjcloud-mysql
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: wwjcloud
+      MYSQL_CHARACTER_SET_SERVER: utf8mb4
+      MYSQL_COLLATION_SERVER: utf8mb4_general_ci
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+      # 先不挂载schema.sql，让应用程序自动创建表
+    command: --default-authentication-plugin=mysql_native_password --character-set-server=utf8mb4 --collation-server=utf8mb4_general_ci
+    networks:
+      - wwjcloud-network
+
+  redis:
+    image: redis:7-alpine
+    container_name: wwjcloud-redis
+    restart: unless-stopped
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis_data:/data
+    command: redis-server --appendonly yes --requirepass ""
+    networks:
+      - wwjcloud-network
+
+  # WWJCloud 应用程序容器 (可选，用于生产部署)
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: wwjcloud-app
+    restart: unless-stopped
+    ports:
+      - "3001:3001"
+    environment:
+      - NODE_ENV=production
+      - DB_HOST=mysql
+      - DB_PORT=3306
+      - DB_USERNAME=root
+      - DB_PASSWORD=root
+      - DB_DATABASE=wwjcloud
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+    depends_on:
+      - mysql
+      - redis
+    networks:
+      - wwjcloud-network
+    profiles:
+      - production  # 使用 profile 来控制是否启动应用容器
+
+volumes:
+  mysql_data:
+  redis_data:
+
+networks:
+  wwjcloud-network:
+    driver: bridge