ecosystem.json

{
  // Applications part
  "apps" : [
    {
    "name"      : "last-blog",
    "script"    : "server/index.js",
    "env": {
      "COMMON_VARIABLE": "true"
    },
    // Environment variables injected when starting with --env production
    // http://pm2.keymetrics.io/docs/usage/application-declaration/#switching-to-different-environments
    "env_production" : {
      "NODE_ENV": "production"
    }
  }],
  // Deployment part
  // Here you describe each environment
  "deploy" : {
    "production" : {
      "user" : "user_dj",
      // Multi host is possible, just by passing IPs/hostname as an array
      "host" : ["59.110.164.55"],
      "port": "22",
      // Branch
      "ref"  : "origin/master",
      // Git repository to clone
      "repo" : "https://github.com/dj940212/last-blog.git",
      // Path of the application on target servers
      "path" : "/home/user_dj/project/last-blog",
      // Can be used to give options in the format used in the configura-
      // tion file.  This is useful for specifying options for which there
      // is no separate command-line flag, see 'man ssh' 
      // can be either a single string or an array of strings
      "ssh_options": "StrictHostKeyChecking=no",
      // To prepare the host by installing required software (eg: git) 
      // even before the setup process starts
      // can be multiple commands separated by the character ";"
      // or path to a script on your local machine
      // "pre-setup" : "apt-get install git",
      // Commands / path to a script on the host machine
      // This will be executed on the host after cloning the repository
      // eg: placing configurations in the shared dir etc
      // "post-setup": "ls -la",
      // Commands to execute locally (on the same machine you deploy things)
      // Can be multiple commands separated by the character ";"
      // "pre-deploy-local" : "echo 'This is a local executed command'"
      // Commands to be executed on the server after the repo has been cloned
      "post-deploy" : "cnpm install && pm2 startOrRestart ecosystem.json --env production",
      // Environment variables that must be injected in all applications on this env
      "env"  : {
        "NODE_ENV": "production"
      }
    },
    // "staging" : {
    //   "user" : "node",
    //   "host" : "212.83.163.1",
    //   "ref"  : "origin/master",
    //   "repo" : "git@github.com:repo.git",
    //   "path" : "/var/www/development",
    //   "ssh_options": ["StrictHostKeyChecking=no", "PasswordAuthentication=no"],
    //   "post-deploy" : "pm2 startOrRestart ecosystem.json --env dev",
    //   "env"  : {
    //     "NODE_ENV": "staging"
    //   }
    // }
  }
}