docker-compose.yml

---
# This is a set up for Ruby on Rails 6, running a worker & webpack.
# Gems are cached within a volume, which speeds up development when adding new gems.
#
## Usage:
#
# docker-compose build
# docker-compose run --rm web bin/setup
# docker-compose up
version: "3"

x-app: &app
  build:
    context: .
    dockerfile: Dockerfile
    target: development
  tmpfs:
    - /tmp
  environment:
    REDIS_URL: redis://@redis:6379/1
    DATABASE_URL: postgres://postgres:postgres@postgres:5432/
    WEBPACKER_DEV_SERVER_HOST: webpacker
  entrypoint: ./bin/docker/entrypoints/wait-for-web.sh
  volumes:
    - .:/usr/src/app:cached
    - bundler:/usr/local/bundle:delegated
    - bootsnap_cache:/usr/src/bootsnap:delegated
    - rails_cache:/usr/src/app/tmp/cache:delegated
    - packs:/usr/src/app/public/packs:delegated
    - node_modules:/usr/src/app/node_modules:delegated
    - yarn_cache:/usr/src/yarn:delegated
    - letter_opener:/usr/src/app/tmp/letter_opener:delegated
  depends_on:
    - postgres
    - redis

services:
  postgres:
    image: postgres:13.2-alpine
    volumes:
      - postgresql:/var/lib/postgresql/data:delegated
    # Uncomment to access this containers Postgres instance via port 5432
    #ports:
      #- "127.0.0.1:5432:5432"
    environment:
      PSQL_HISTFILE: /root/log/.psql_history
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    restart: on-failure
    logging:
      driver: none

  redis:
    image: redis:6.0.12-alpine
    volumes:
      - redis:/data:delegated
    # Uncomment to access this containers Redis instance via port 6379
    #ports:
      #- "127.0.0.1:6379:6379"
    restart: on-failure
    logging:
      driver: none

  web:
    <<: *app
    entrypoint: ./bin/docker/entrypoints/wait-for-postgres.sh
    command: bash -c "./bin/docker/prepare-to-start-rails && ./bin/rails server -p 3000 -b '0.0.0.0'"
    ports:
      - "127.0.0.1:3000:3000"

  worker:
    <<: *app
    command: bundle exec sidekiq -C config/sidekiq.yml

  webpacker:
    <<: *app
    command: ./bin/webpack-dev-server
    environment:
      WEBPACKER_DEV_SERVER_HOST: 0.0.0.0
    ports:
      - "127.0.0.1:3035:3035"

volumes:
  postgresql:
  redis:
  bundler:
  bootsnap_cache:
  rails_cache:
  packs:
  node_modules:
  yarn_cache:
  letter_opener: