pm2-ecosystem.json

{
  "apps" : [{
    // mean-stack-relational app
    "name"       : "msr",
    "script"     : "app.js",
    // by default, the app runs in fork mode, uncomment below to run in cluster mode
    //"instances"  : 4,
    //"exec_mode"  : "cluster_mode",  // defaults to fork
    "args"        : ["--color"],
    "watch"       : true,
    "ignore_watch" : ["pids", "logs", "node_modules", "bower_components"],
    "merge_logs"  : true, // merge logs from all instances in cluster mode
    "cwd"         : ".",
    "error_file"  : "./logs/msr.log",
    "out_file"    : "./logs/msr.log",
    "pid_file"    : "./pids/msr.pid",
    "min_uptime"  : "30s", // defaults to 1000s
    "max_restarts"  : 30, // defaults to 15
    "restart_delay" : 1000,
    "max_memory_restart" : "8G",  // restart app if it reaches an 8GB memory footprint
    "env": {
      "NODE_ENV": "development"
    },
    "env_production" : {
      "NODE_ENV": "production"
    }
  }]
}