Docker Compose for Rails + PG + Worker + Faktory

docker-compose.yml

version: '3'
services:
  faktory:
    image: contribsys/faktory:latest
    command: /faktory -b :7419 -w :7420
    ports:
      - "7419:7419"
      - "7420:7420"
  db:
    image: postgres
  web: &web_base
    stdin_open: true
    tty: true
    build: .
    volumes:
      - .:/your-app-dir
    ports:
      - "3000:3000"
    environment:
      PORT: "3000"
      PGHOST: "db"
      PGUSER: "postgres"
      PGDBNAME: "yourdbname"
      FAKTORY_URL: tcp://faktory:7419
    depends_on:
      - db
  worker:
    <<: *web_base
    command: bundle exec faktory-worker
    ports: []
    depends_on:
      - web