rocksteady v1.1.9
Rocksteady
Drink blazin' electric death, downtime!
Fast, zero-downtime apps for production enviroments. Rocksteady runs your node app and keeps it running for you. It can reload your app and browser on file modifications for more productive development and reload on SIGHUP for zero-downtime app upgrades.
Installation
$ npm install -g rocksteady
Usage
Point rocksteady at your node app and off you go. You can use the rocksteady
:
$ rocksteady ./my-app.js
Or require rocksteady into your project and pass it the path directly:
require('rocksteady').run('./app')
CLI
Run rocksteady -h
for a complete list of options.
rocksteady server.js [options]
Options:
--port Specify port to listen on.
--workers Number of workers to start.
--restart-cooldown Seconds to wait before respawning workers that die.
--force-kill Seconds to wait before killing unresponsive worker.
--watch Watch for and reload server/browser on changes.
API
rocksteady(serverModule, options)
Returns a new instance of Master
with given options.
Class: rocksteady.Master
Master
represents a running app, it is an EventEmitter
.
new rocksteady.Master(serverModule, options)
serverModule
String Should be a path to a module (either JavaScript or CoffeeScript) which exports either a connect/express app or an instance ofhttp.Server
options
Objectport
Number Port to listen onworkers
Number Number of workers to forkforceKillTimeout
Number Number of seconds to wait before killing an unresponsive workersocketTimeout
Number Number of ms to wait before socket times outwatch
Boolean Whether or not to watch for changes and reload server/browser.runAs
ObjectsetupMaster
Object options to pass tocluster
logger
Object logger to use
Event: 'worker:exception'
function (worker, err) { }
Emitted when worker process messages an uncaught exception. err
is a deserialized error message.
Event: 'worker:forked'
function (worker) { }
Emitted when worker is forked.
Event: 'worker:killed'
function (worker) { }
Emitted when worker is killed.
Event: 'worker:restarting'
function (worker) { }
Emitted when worker is restarted.
Event: 'worker:listening'
function (worker, address) { }
Emitted when worker is starts listening.
Event: 'reloading'
function () { }
Emitted when reload begins.
Event: 'shutdown'
function () { }
Emitted when shutdown ends.
Event: 'watch'
function (message) { }
Emmited during development when a worker discovers a file to watch.
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