docker-compose.yml

version: '3'

services:

  #  start Postgres, and ensure that data is stored to a mounted volume
  postgres:
    image: 'postgres:14.2'
    ports:
      - "5430:5432"
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: password
      POSTGRES_DB: concurrency
    volumes:
      - ./db-data/postgres/:/var/lib/postgresql/data/

  #  start Redis, and ensure that data is stored to a mounted volume
  redis:
    image: 'redis:alpine'
    ports:
      - "6379:6379"
    restart: always
    volumes:
      - ./db-data/redis/:/data

  #  start mailhog
  mailhog:
    image: 'mailhog/mailhog:latest'
    ports:
      - "1025:1025"
      - "8025:8025"
    restart: always

  # start web app
  app:
    build:
      context: .
    restart: always
    ports:
      - "80:80"
    depends_on:
      - postgres
      - redis
      - mailhog