Heroku Caffeine

Heroku Caffeine ☕️ keeps your Heroku dynos awake by perodically sending HTTP requests to your apps.

Features ✨

• Sends HTTP requests to all specified urls (apps) in specified interval
• Emits events

Event Types

• init - object is properly created. Contains HerokuCaffeine (this) object.
• pinging - starting sending requests. Contains list of urls to ping.
• pinged - sent request to the certain app. Contains pinged url.
• pingedall - all urls are pinged. Contains lis of pinged urls.
• endedpinginginterval - interval has ended. Waiting for another interval. Contains results from pinging the urls.
• error - error has occurred, e.g. list of urls is not valid
• warn - warning (doesn't terminate the app), e.g. one of the urls in the list is invalid

Installation

$ npm i -S heroku-caffeine

Usage

const HerokuCaffeine = require('heroku-caffeine');
const herokuCaffeine = new HerokuCaffeine({ urls: ['https://your-heroku-app.herokuapp.com'] });
herokuCaffeine.run();

Development

Want to contribute? Great! 🔥 If you want you could follow this commit messages guide.

Install:

$ cd heroku-caffeine
$ npm i

Run:

$ npm run dev

Test Coverage:

$ npm run test-coverage

Lint Fix:

$ npm run lint-fix

and many other helpful scripts available in package.json 🤓