docker-compose.yml

version: "3.8"
# https://docs.docker.com/docker-for-mac/osxfs/
services:
  db:
    container_name: db
    image: postgres:11
    environment:
      - POSTGRES_USER=$PGUSER
      - POSTGRES_PASSWORD=$PGPASSWORD
    volumes:
      - postgres:/var/lib/postgresql/data

  my_service:
    container_name: my-service
    build: .
    entrypoint: bundle
    command: exec rackup -o '0.0.0.0' -p '50052'
    depends_on:
      - db
    volumes:
      - bundle:/usr/local/bundle:delegated
    ports:
      - 50052:50052

  bundle:
    build: .
    entrypoint: bundle
    command: check
    volumes:
      - bundle:/usr/local/bundle:delegated

  rspec:
    build: .
    entrypoint: bundle
    command: exec rspec --version
    volumes:
      - bundle:/usr/local/bundle:delegated

  protoc:
    build: .
    entrypoint: bundle
    command: |
      exec grpc_tools_ruby_protoc
      -I ../protos --ruby_out=./config/protobuf --twirp_ruby_out=./config/protobuf ../protos/my_service.proto
    volumes:
      - bundle:/usr/local/bundle:delegated
      - ../protos:/usr/src/protos

volumes:
  bundle: {}
  postgres: {}