Docker for Rails Developers

Full write-up:

https://medium.com/@charlie.b.ohara/docker-for-rails-developers-5a2a6c2c0593#.3zv2j1fm1

Cheat sheet:

• build docker image based on Dockerfile

  • docker-compose build

• spin up and connect containers as directed in docker-compose.yml

  • docker-compose up -d

• run standard rails commands

  • docker-compose run app bundle install

  • docker-compose run app rails console

  • docker-compose run app rake routes

  • docker-compose run app rake db:reset db:migrate

• testing with RSpec

  • docker-compose run app rake db:create db:migrate db:seed RAILS_ENV=test

  • docker-compose run app bundle exec rspec