Heroku: app.json

app.json declares environment variables, add-ons, and other information required to run an app on Heroku.

https://devcenter.heroku.com/articles/app-json-schema

Buildpacks: https://devcenter.heroku.com/articles/app-json-schema#buildpacks

{
  "buildpacks": [
    {
      "url": "https://github.com/heroku/heroku-buildpack-pgbouncer"
    },
    {
      "url": "heroku/ruby"
    }
  ]
}

{
  "buildpacks": [
    {
      "url": "heroku/nodejs"
    },
    {
      "url": "heroku-community/static"
    }
  ]
}

Related

• procfile

See also

• Heroku, Heroku Review Apps, procfile, app.json, Heroku Flow, heroku login, heroku --help