docker-compose.yml

version: '3'
services:
  db:
    ports:
      - "5432:5432"
    volumes:
      - ./tmp/db:/var/run/postgresql
    environment:
      POSTGRES_HOST_AUTH_METHOD: "trust"
    image: postgres:latest

  sidekiq:
    build: .
    command: 'bundle exec sidekiq'
    volumes:
      - .:/app
    environment:
      RAILS_ENV: "docker_development"
      REDIS_URL: "redis://redis:6379/12"
    depends_on:
      - redis

  redis:
    container_name: redis
    ports:
      - "6379:6379"
    links:
      - db
    image: redis:5.0-rc

  web:
    container_name: web
    build: .
    ports:
      - "3000:3000"
    command: /bin/sh -c "rails s -b 0.0.0.0 -p 3000"
    volumes:
      - .:/app
    depends_on:
      - db
      - redis
      - sidekiq

# Environment variables that allow my app to find other services
    environment:
      REDISTOGO_URL: "redis://redis:6379"
      POSTGRES_USER: postgres
      POSTGRES_HOST: db