PM2 & Docker Example

.gitignore

node_modules
*.log

docker-compose.yml

version: 2
services:
  app:
    build: .
    ports:
      - "3000:3000"
    volumes:
      - .:/code

Dockerfile

FROM keymetrics/pm2-docker-alpine:latest

ADD . /code
WORKDIR /code
RUN npm install
CMD ["npm", "start"]

index.js

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

app.get('/', (req, res) => {
  res.send('Hello world: 1');
});

app.listen(4000, () => {
  console.log('Server started');
});

package.json

{
  "name": "pm2-docker",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "node test.js",
    "start": "pm2-docker process.yml --watch"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.14.0"
  }
}

process.yml

apps:
  - script: 'index.js'
    name: 'pm2-docker'