README

This is a companion repo to the Wrangling Complex Rails apps with Docker blog series.

In order to run this app:

Install the example env files:

.env.docker.development:

DATABASE_URL="postgres://myuser:letmein@db/appdb"
BUNDLE_PATH=/bundle/vendor

• docker-compose up --build
• docker-compose exec web rails db:migrate
• open http://localhost:3000

Common Rails tasks:

Start a console

docker-compose exec web rails console

Generate a model/migration/scaffold, etc.

docker-compose exec web rails generate model Thing

Install or update a rubygem

docker-compose exec web bundle add rspec -g test
docker-compose exec web bundle update rails

# Rebuild the image since the Gemfile.lock has changed
docker-compose build 

Testing

docker-compose exec test rails test test/models/todo_test.rb