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Docker Rails Starter

Getting started

After cloning the repo, change all instances of myapp to the name of your app. Look in the following files:

  • Dockerfile
  • entrypoint.sh
  • docker-compose.yml

Then run

docker-compose run web rails new . --force --no-deps --database=postgresql

Next, run

docker-compose build

Replace config/database.yml with the following content:

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

development:
  <<: *default
  database: myapp_development


test:
  <<: *default
  database: myapp_test

Then boot the app up

docker-compose up

Create a database

docker-compose run web rails db:create

View your app at http://localhost:3000

Browser support config (optional)

After your Rails app is ready, you can optionally configure the list of browsers your app will support. You can do this by adding the following to your .browserslistrc

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