Working vhost for get content of yourdomain.fr:3000 by browsing yourdomain.fr

node-apache-vhost

<VirtualHost *:80>
    ServerName yourdomain.fr
    ServerAlias www.yourdomain.fr
    ProxyRequests off
    <Proxy *>
        Order deny,allow
        Allow from all
    </Proxy>
    <Location />
        ProxyPass http://yourdomain.fr:3000/
        ProxyPassReverse http://yourdomain.fr:3000/
    </Location>
</VirtualHost>

pm2-ecosystem.json

{
  "apps": [
    {
      "name": "Example",
      "script": "app.js",
      "env": {
        "COMMON_VARIABLE": "true"
      },
      "env_production": {
        "NODE_ENV": "production"
      }
    }
  ],
  "deploy": {
    "production": {
      "user": "chalas_r",
      "host": "chalasdev.fr",
      "ref": "origin/master",
      "repo": "git@github.com:{user}/{repo}.git",
      "path": "/var/www/html",
      "post-deploy": "npm install; pm2 restart app"
    }
  }
}