[
  {
    "name" : "sample-normal",
    "instances": "2",
    "exec_mode": "cluster",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL"
  },
  {
    "name" : "sample-other-instance",
    "instances": "2",
    "instance_var": "APP_ID",
    "exec_mode": "cluster",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL"
  },
  {
    "name" : "sample-increment",
    "instances": "2",
    "increment_var": "PORT",
    "exec_mode": "cluster",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL",
    "env": {
      "PORT": 3000
    }
  },
  {
    "name" : "sample-normal-fork",
    "instances": "2",
    "exec_mode": "fork",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL"
  },
  {
    "name" : "sample-other-instance-fork",
    "instances": "2",
    "instance_var": "APP_ID",
    "exec_mode": "fork",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL"
  },
  {
    "name" : "sample-increment-fork",
    "instances": "2",
    "increment_var": "PORT",
    "exec_mode": "fork",
    "script" : "sample.js",
    "out_file": "NULL",
    "error_file": "NULL",
    "env": {
      "PORT": 3000
    }
  }
]