FROM node:20-alpine # 设置工作目录 WORKDIR /app # 复制package文件 COPY package*.json ./ # 安装依赖 RUN npm ci # 复制应用代码 COPY . . # 暴露端口 EXPOSE 3000 # 开发模式启动命令 CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]