Ruby on Rails 환경을 Docker로 구축하고 RubyMine으로 디버깅 (Mac Book Pro)

참고문헌

Docker, RubyMine 설치

Docker 설정, 실행

FROM ruby:2.3.3
RUN apt-get update -qq && \
    apt-get install -y build-essential libpq-dev nodejs
RUN mkdir /myapp
WORKDIR /myapp
ADD Gemfile .
ADD Gemfile.lock .
ENV BUNDLE_JOBS=4 \
    BUNDLE_PATH=/bundle
RUN bundle install
ADD . .

version: '2'
services:
  web:
    build: .
    #command: bundle exec rails s -p 3000 -b 0.0.0.0
    command: bundle exec rdebug-ide --port 1234 --dispatcher-port 26162 --host 0.0.0.0 -- bin/rails s -b 0.0.0.0 -p 3000
    container_name: web
    depends_on:
      - db
    ports:
      - "127.0.0.1:3000:3000"
      - "127.0.0.1:1234:1234"
      - "127.0.0.1:26162:26162"
    stdin_open: true
    tty: true
    volumes:
      - .:/myapp
    volumes_from:
      - bundle
  db:
    image: postgres
  bundle:
    image: busybox
    volumes:
      - /bundle

source 'https://rubygems.org'

gem 'rails', '5.0.0.1'

group :development, :test do
  # remote debug
  gem 'ruby-debug-ide'
  gem 'debase'
end

$ cd /Users/hoge/dev/docker/test

$ docker-compose build

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

$ vi config/database.yml

config=/opt/local/lib/postgresql84/bin/pg_config

default: &default
  adapter: postgresql
  encoding: unicode
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>

development:
  <<: *default
  database: app_development
  username: postgres 
  host: db

test:
  <<: *default
  database: app_test

production:
  <<: *default
  database: app_production
  username: app
  password: <%= ENV['APP_DATABASE_PASSWORD'] %>

$ docker-compose run web bundle install

$ docker-compose run web rake db:create
$ docker-compose run web rails generate scaffold user name:string age:integer
$ docker-compose run web rake db:migrate

$ docker-compose up

RubyMine으로 원격 디버깅