feat: support NAS imports and proxy names

Dockerfile

@@ -1,24 +1,24 @@
-FROM node:22-alpine
+FROM node:20-alpine
 
 WORKDIR /app
 
-# 复制依赖配置并安装
+ENV NODE_ENV=production \
+    HOST=0.0.0.0 \
+    PORT=3000 \
+    AUTO_OPEN=0
+
 COPY package*.json ./
-RUN npm install --production
+RUN if [ -f package-lock.json ]; then npm ci --omit=dev; else npm install --omit=dev; fi
 
-# 复制其余的项目代码
 COPY sub2proxy.js ./
-COPY public/ ./public/
-COPY templates/ ./templates/
+COPY public ./public
+COPY templates ./templates
 
-# 创建持久化存储的目录与文件
-RUN mkdir -p out
+RUN mkdir -p out && printf '[]\n' > subs.json
 
-# 暴露 3000 端口
 EXPOSE 3000
 
-# 环境变量：让服务不自动在后台执行浏览器拉起命令
-ENV HEADLESS=true
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD node -e "require('http').get('http://127.0.0.1:'+(process.env.PORT||3000)+'/api/health',r=>process.exit(r.statusCode===200?0:1)).on('error',()=>process.exit(1))"
 
-# 启动服务
 CMD ["node", "sub2proxy.js"]