My docker setup to use it in dev

docker-compose.override.yml

 # I have a docker-compose.override.yml with custom information. It share my history files so I can use it with `docker-compose run rails c``
version: '3'
services:
  web:
    volumes:
      - .:/app
      - ~/.zsh_history:/root/.zsh_history
      - ~/.zsh_history.new:/root/.zsh_history.new
      - ~/.pryrc:/root/.pryrc
      - ~/.pry_history:/root/.pry_history
      - ~/.inputrc:/root/.inputrc
      - ~/.ssh/id_rsa.pub:/root/.ssh/id_rsa.pub
      - ~/.ssh/id_rsa:/root/.ssh/id_rsa
      - ~/.ssh/known_hosts:/root/.ssh/known_hosts
      - /etc/localtime:/etc/localtime
      - $SSH_AUTH_SOCK:/ssh-agent
      - /usr/local/bundle:/usr/local/bundle

docker-compose.yml

# I have a docker-compose.yml with generic information 
version: '3'
services:
  web:
    build: .
    command: rails s -b 0.0.0.0
    working_dir: /app
    volumes:
      - .:/app
      - /etc/localtime:/etc/localtime
      - $SSH_AUTH_SOCK:/ssh-agent
    ports:
      - "3000:3000"
    environment:
      BUNDLE_JOBS: 20

Dockerfile

# In the Dockerfile I add tools I like
RUN apt-get install wget && wget https://github.com/GCorbel/dotfiles/raw/master/development_docker_install.sh -O - | sh

run

# I also use this https://gist.github.com/GCorbel/7f31349bcd4dca45047f21c07d47f205 to do `run rake ...` for example.