A Heroku buildpack for ember-cli apps; powers dashboard.heroku.com
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README.md

README.md

heroku-buildpack-ember-cli beta

heroku-buildpack-ember-cli enables you to run your Ember CLI application on Heroku. It provides the ability for changing ENV variables on-the-fly without modifying your codebase or redeploying your application. Primary features of this buildpack include:

  • builds the Ember application for production
  • automatically provides a properly configured static.json file to drive heroku-buildpack-static
  • provides caching headers for your /assets folder
  • regenerates your application's configuration each time an environment variable is changed on Heroku
  • updates your application's asset prefix each time the CDN_HOST variable is changed on Heroku

dependencies

  • If you don't already have the Heroku CLI installed, go ahead and fetch it from https://toolbelt.heroku.com.
  • Your application's config must contain storeConfigInMeta: true (which is also the default value).

Rather than duplicating code, heroku-buildpack-ember-cli builds on top of other buildpacks, namely heroku-buildpack-nodejs for node.js support as well as heroku-buildpack-static to actually serve the assets to your users. If you need support for private dependencies, check out heroku-buildpack-github-netrc.

Here's a quick cheatsheet for adding the required buildpacks to your application; simply copy and paste the following:

heroku buildpacks:clear
heroku buildpacks:add https://github.com/heroku/heroku-buildpack-nodejs
heroku buildpacks:add https://github.com/heroku/heroku-buildpack-ember-cli
heroku buildpacks:add https://github.com/hone/heroku-buildpack-static

By default, the nodejs buildpack only installed dependencies and not devDependencies. And by default, Ember CLI puts everything in devDependencies. Doh! Fortunately, there's a simple fix:

heroku config:set NPM_CONFIG_PRODUCTION=false

Be sure to run this before deploying.

app.json

If your project includes an app.json file (used by Heroku for Pipelines and Heroku Button) be sure to update it to reflect the changes above. In particular, you'll want to set the NPM_CONFIG_PRODUCTION variable as well as specifying the correct buildpacks

static.json

This buildpack injects a default static.json file into the application slug unless one is provided by your application. Warning The provided static.json sets cache headers on /assets/** which is only desirable if you are leveraging fingerprinting in your project!

Example Application

Deploy