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Rails 5 Docker boilerplate

Boilerplate for Rails projects using Docker.

Building the project

Run the following command to create a new Rails project scaffold with a postgres database.

docker-compose run web rails new . --force --database=postgresql --skip-bundle

In order to have a JavaScript runtime you have to uncomment this line in your Gemfile.

gem 'therubyracer', platforms: :ruby

After that build the project in order to install new Gems.

docker-compose build

Database

Use the following configuration for your development and test databases.

development: &default
  adapter: postgresql
  encoding: unicode
  database: postgres
  pool: 5
  username: postgres
  password:
  host: db

test:
  <<: *default
  database: myapp_test

After this you can run the project and get ready to create the database.

$ docker-compose up

Run this command to create the database.

$ docker-compose run web rake db:create

Running

At this point your application must be running on localhost on port 3000, so head over to it and take a look!

http://localhost:3000