chore: Docker 部署——多阶段 Dockerfile + compose + 数据卷持久化

- 前端 node:22-alpine 构建阶段(npm ci + vite build)
- 运行时 python:3.14-slim + uv --frozen 冻结安装(依赖层独立缓存)
- entrypoint: 数据卷为空时自动建库并导入 254 套样板
- SQLite 落数据卷 /app/db(HMC_DATABASE_URL 可切 MySQL); healthcheck /api/health
- .dockerignore 排除构建无关资产; .gitattributes 强制 sh LF

docker-compose.yml

@@ -0,0 +1,25 @@
+services:
+  web:
+    build: .
+    image: menchuang:latest
+    container_name: menchuang
+    restart: unless-stopped
+    ports:
+      - "8000:8000"
+    environment:
+      # SQLite 落在数据卷; 如需 MySQL: mysql+aiomysql://user:pwd@host:3306/hmc
+      HMC_DATABASE_URL: sqlite+aiosqlite:////app/db/huamenchuang.db
+      # 生产务必换成随机长密钥(登录态签名)
+      HMC_JWT_SECRET: ${HMC_JWT_SECRET:-change-me-in-production-please-set-a-long-random-secret-key}
+      TZ: Asia/Shanghai
+    volumes:
+      - db_data:/app/db
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request;urllib.request.urlopen('http://127.0.0.1:8000/api/health',timeout=4)"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 30s
+
+volumes:
+  db_data: