docker-compose.yml

version: "3.8"

services:
  redis:
    image: redis:6.0.8-alpine
    command: redis-server
    environment:
      REDIS_URL: redis://redis:6379/1
    volumes:
      - ./tmp/redis:/data # linking

  db:
    image: postgres:12.4-alpine
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: godwd_development
    volumes:
      - ./tmp/db:/var/lib/postgresql/data
      # linking outer folder APP_ROOT(.)/tmp/db to inner folder /Var/lib.. where the data will be stored
      # since we don't want this data to be stored in a container inner folder because if so it won't be persistent among container restarts
    ports:
      - 5432:5432
    # env_file: .env

  sidekiq:
    build:
      context: .
      dockerfile: ./docker/app/Dockerfile
    # command: "bundle exec sidekiq -C config/sidekiq.yml" => entrypoint.sh
    volumes:
      - .:/var/www/myapp:cached # linking outer . to inner /var/www/myapp
    restart: always
    environment:
      - RAILS_ENV=$RAILS_ENV
      - REDIS_URL=redis://redis:6379/1
      - ENABLE_BOOTSNAP=true
    depends_on:
      - redis
      - db
    env_file: .env
    command: bundle exec sidekiq -C config/sidekiq.yml


  app:
    build:
      context: .
      dockerfile: ./docker/app/Dockerfile
      args:
        RAILS_ENV: $RAILS_ENV
    volumes:
      - .:/var/www/myapp:cached
    # linking inner folder /var/www/myapp to the Root . of the app
    restart: always
    depends_on:
      - db
      - redis
    # command: "bundle exec puma -C config/puma.rb" => entrypoint.sh
    environment:
      - RAILS_ENV=development
      - REDIS_URL=redis://redis:6379/1
      - ENABLE_BOOTSNAP=true
      - POSTGRES_PASSWORD=postgres
    ports:
      - "3001:3001"
    # env_file: .env

  web:
    build:
      context: .
      dockerfile: ./docker/web/Dockerfile
      args:
        RAILS_ENV: "development"
    volumes:
      - .:/var/www/myapp :cached # linking inner to outer
    restart: always
    ports:
      - 8000:80 # linking inner port 80 to outer port 8000
    depends_on:
      - app