Ryan W
Rails 7 on Docker demo application
This app demonstrates Rails 7 with PostgreSQL, import maps, turbo, stimulus and hotwire, all running in Docker.
Initial setup
docker compose build
docker compose run --rm web bin/rails db:setup
Running the Rails app
docker compose up
Running the Rails console
When the app is already running with docker-compose up, attach to the container:
docker compose exec web bin/rails c
When no container running yet, start up a new one:
docker compose run --rm web bin/rails c
Running tests
docker compose run --rm web bundle exec rspec
Updating gems
docker compose run --rm web bundle update
docker compose up --build
Credits/References
Rails with Docker
- https://docs.docker.com/compose/rails/
- https://pragprog.com/book/ridocker/docker-for-rails-developers
- https://evilmartians.com/chronicles/ruby-on-whales-docker-for-ruby-rails-development