The Shepherd

Install: npm install the-shepherd

Usage: shepherd [options]

-h, --help     output usage information
-V, --version  output the version number
-f [file]      The herd file to load
-o [file]      Where to send log output.
Note: output to a tty is synchronous (blocking).
--example      Output a complete herd file with all defaults
--daemon       Run in the background.
-v, --verbose  Verbose mode.
-p [file]      The .pid file to use.

Sample herd file (parsed as Human JSON):

{
  admin: {port: 9000 }
  servers: [
    { cd: "."
      command: "node index.js"
      count: 3
      port: 8000
      portVariable: "PORT"
      env: {}
    }
  ],
  workers: [
    { cd: "workers",
      command: "node worker.js"
      count: 2
    }
  ],
  restart: {
    maxAttempts: 5
    maxInterval: 10000
    gracePeriod: 3000
    timeout: 10000
  },
  rabbitmq: {
    enabled: true
    url: "amqp://guest:guest@localhost:5672"
    channel: "shepherd"
  },
  nginx: {
    enabled: true
    config: "/usr/local/etc/nginx/conf.d/shepherd_pool.conf"
    reload: "launchctl stop homebrew.mxcl.nginx && launchctl start homebrew.mxcl.nginx"
  }
}