docker-compose.yml

version: '3'

services:
  reverse-proxy:
    image: traefik # The official Traefik docker image
    command: --api --docker.exposedbydefault=false # Enables the web UI and tells Træfik to listen to docker, without exposing by default
    ports:
      - "80:80"     # The HTTP port
      - "8080:8080" # The Web UI (enabled by --api)
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock # So that Traefik can listen to the Docker events

  db:
    image: mysql:5
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD
      - MYSQL_DATABASE

  redis:
    image: redis:alpine

  app:
    build: .
    environment:
      - DB_HOST=db
      - DB_NAME=${MYSQL_DATABASE}
      - DB_USER=root
      - DB_PASSWORD=${MYSQL_ROOT_PASSWORD}
      - REDIS_HOST=redis
    labels:
      - "traefik.enable=true"
      - "traefik.frontend.rule=Host:${APP_HOST}"
    depends_on:
      - db
      - redis