docker-stack.yml

version: '3.7'

services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    deploy:
      restart_policy:
        condition: on-failure
      placement:
        constraints:
          - node.role==manager
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress
    networks:
      - wp

  wordpress:
    image: wordpress:5.2.3-php7.1-fpm
    volumes:
      - ./wordpress:/var/www/html
    deploy:
      restart_policy:
        condition: on-failure
      placement:
        constraints:
          - node.role==worker
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
    labels:
      - traefik.docker.network=test_net
      - traefik.port=80
      - traefik.frontend.rule=PathPrefix:/;
      - traefik.backend.loadbalancer.sticky=true
    ports:
      - 80
    networks:
      - wp

  traefik:
    image: traefik
    command: --docker --docker.swarmode --docker.watch --web --loglevel=DEBUG
    ports:
      - 80:80
      - 9090:8080
    deploy:
      restart_policy:
        condition: on-failure
      mode: replicated
      replicas: 1
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - wp

networks:
  wp:
    driver: overlay

volumes:
  db_data: