A barebones Rails app, which can easily be deployed to Heroku.
This application support the Getting Started with Ruby on Heroku article - check it out.
Make sure you have Ruby installed. Also, install the Heroku Toolbelt.
$ git clone git@github.com:heroku/ruby-getting-started.git
$ cd ruby-getting-started
$ bundle install
$ bundle exec rake db:create db:migrate
$ foreman start web
Your app should now be running on localhost:5000.
$ heroku create
$ git push heroku master
$ heroku run rake db:migrate
$ heroku open
The app can be run and tested using the Heroku Docker CLI plugin.
Make sure the plugin is installed:
heroku plugins:install heroku-docker
Configure Docker and Docker Compose:
heroku docker:init
And run the app locally:
docker-compose up web
The app will now be available on the Docker daemon IP on port 8080.
To work with the local database and do migrations, you can open a shell:
docker-compose run shell
bundle exec rake db:migrate
You can also use Docker to release to Heroku:
heroku create
heroku docker:release
heroku open
For more information about using Ruby on Heroku, see these Dev Center articles: