# 使用官方的 Node.js  镜像作为基础 
FROM node:latest 

#  更新、清除缓存
USER root
RUN apt-get update
RUN npm cache clean --force  

# 安装 Node-RED 
RUN npm install -g --unsafe-perm node-red 

# 创建并配置 settings.js  文件 
RUN mkdir -p /usr/src/node-red && chown -R node:node /usr/src/node-red 
COPY settings.js  /usr/src/node-red/settings.js  
COPY flows.json  /usr/src/node-red/flows.json  

# 安装节点
RUN npm install -g node-red-node-email
RUN npm install -g node-red-contrib-weather

# 启动 Node-RED 
CMD ["node-red", "--userDir", "/usr/src/node-red"]