You can manage your add-ons either through the command line interface or through the Heroku Dashboard web interface.
Using the command line interface
You can view your current add-ons within an app with the heroku addons command.
$ heroku addons newrelic:wayne heroku-postgresql:dev
Creating an add-on:
Tips:Previously to add an add-on you could use the command addons:add. That is now deprecated in favor of the create command.
$ heroku addons:create newrelic:wayne Adding newrelic:wayne on myapp...done, v27 (free) Use `heroku addons:docs newrelic:wayne` to view documentation
You can also specify the globally unique identifier as well as the key your add-on is attached to when you provision your add-on. You can do this with the
Attaching an add-on to another app:
Certain add-ons can be
attached to another app. When you attach an add-on it maintains a reference back to the original add-on provision on the initial app.
$ heroku addons:attach shining-sushi-1234 -a sushi Attaching shining-sushi-1234 to sushi... done Setting HEROKU_POSTGRESQL_MAROON vars and restarting sushi... done, v81
Destroying an add-on:
Tips:Previously to destroy an add-on you could use the command addons:remove. That is now deprecated in favor of the destroy command.
$ heroku addons:destroy shining-sushi-1234 Removing newrelic:wayne from myapp...done, v27 (free)
Upgrade an add-on:
$ heroku addons:upgrade newrelic:hawke Upgrading newrelic:hawke to myapp... done, v28 ($0.06/dyno/hr) Use `heroku addons:docs newrelic:hawke` to view documentation
Downgrade an add-on:
$ heroku addons:downgrade newrelic:wayne Downgrading to newrelic:wayne on myapp... done, v27 (free) Use `heroku addons:docs newrelic:wayne` to view documentation.
Open an add-on dashboard
$ heroku addons:open newrelic Opening newrelic:hawke for myapp.
Using the Dashboard
List installed add-ons
To see a list of currently installed add-ons for any application, visit Heroku Dashboard, and click on the name of the app or click on the Resources tab when viewing an app.
Add an add-on
Visit the add-on catalog to find and install add-ons.
Remove, upgrade, or downgrade an add-on
From the app Resources tab, find the add-on section. Click the “Edit” button, make the desired changes, and then click Save to apply your changes.
Configure an add-on
From the app Resources tab, find the add-on resource you want to configure and click on the name. This will take you to a configuration page that allows you to change the settings for the add-on.