This core plugin comes preinstalled to the Heroku CLI.
$ npm install -g @heroku-cli/plugin-apps
$ heroku COMMAND
running command...
$ heroku (-v|--version|version)
@heroku-cli/plugin-apps/2.6.0 linux-x64 node-v10.4.1
$ heroku --help [COMMAND]
USAGE
$ heroku COMMAND
...heroku apps- creates a new appheroku buildpacks- add new app buildpack, inserting into list of buildpacks if necessaryheroku config- set one or more config varsheroku domains- add domain to an appheroku drains- adds a log drain to an appheroku dyno- restart app dynosheroku features- disables an app featureheroku keys- add an SSH key for a userheroku labs- enables an experimental featureheroku maintenance- display the current maintenance status of appheroku notifications- display notificationsheroku ps- list dynos for an appheroku releases- display the releases for an app