ecosystem.json

{
  "apps": [
    {
      "name": "smtp",
      "script": "index.js",
      "exec_mode": "cluster",
      "instances": "max",
      "env_production": {
        "NODE_ENV": "production"
      }
    },
    {
      "name": "smtps",
      "script": "index.js",
      "exec_mode": "cluster",
      "instances": "max",
      "env_production": {
        "NODE_ENV": "production",
        "SECURE": "true",
        "PORT": "465"
      }
    },
    {
      "name": "msa",
      "script": "index.js",
      "exec_mode": "cluster",
      "instances": "max",
      "env_production": {
        "NODE_ENV": "production",
        "SECURE": "true",
        "PORT": "587"
      }
    }
  ],
  "deploy": {
    "production": {
      "user": "deploy",
      "host": ["forwardemailmx1-deploy"],
      "ref": "origin/master",
      "repo": "git@github.com:niftylettuce/forward-email.git",
      "path": "/var/www/production",
      "post-deploy":
        "yarn && pm2 startOrGracefulReload ecosystem.json --env production"
    }
  }
}