Docker部署Node.js的方法步骤

`-- docker-node
  |-- data
  |-- server
    |-- app.js
    |-- Dockerfile
    |-- process.yml
    |-- package.json
  |-- docker-compose.yml

const express = require('express');
const app = express();

app.get('/', (req, res) => res.send('hello world!'));

app.listen(3008);

FROM node:8.9-alpine

RUN mkdir -p /usr/src/app

WORKDIR /usr/src/app

RUN npm set registry https://registry.npm.taobao.org/

RUN npm install 

CMD ["./node_modules/pm2/bin/pm2-docker", "process.yml"]

apps:
 - script  : 'app.js'
  name   : 'dokcer-node'
  exec_mode: 'fork'
  watch  : true
  instances: 1
  log_date_format : 'YYYY-MM-DD HH:mm Z'
  ignore_watch: ['node_modules']

version: "3.0"
services:
 server_node:
  container_name: server-node
  build: 
   context: ./server
  volumes:
   - ./server:/usr/src/app
  ports:
   - "3008:3008"
  environment:
   - TZ=Asia/Shanghai

 portainer:
  image: portainer/portainer:1.11.4
  container_name: portainer
  expose:
   - "9000"
  ports:
   - "9000:9000"
  volumes:
   - /var/run/docker.sock:/var/run/docker.sock
   - ./data/portainer:/data
  environment:
   - TZ=Asia/Shanghai

$ docker-compose -f docker-compose.yml up -d