KeyCloak docker-compose file for swarm stack launch purposes

keycloak-compose.yml

version: '3.3'

services:

  keycloak:
    image: jboss/keycloak-mysql
    environment:
      - constraint:serverclass==gateway
      - PROXY_ADDRESS_FORWARDING=true
      - MYSQL_USER=keycloak
      - MYSQL_PASSWORD=keycloak
      - MYSQL_PORT_3306_TCP_ADDR=mysql
      - MYSQL_PORT_3306_TCP_PORT=3306
    networks:
      - keycloak_self
      - http_proxy
    deploy:
      labels:
        - "traefik.port=8080"
        - "traefik.docker.network=http_proxy"
        - "traefik.frontend.rule=Host:keycloak-test.example.net, keycloak.example.net"
      placement:
        constraints:
          - node.role != manager
  mysql:
    image: mysql
    environment:
      - MYSQL_ROOT_PASSWORD=my-root-password
      - MYSQL_DATABASE=keycloak
      - MYSQL_USER=keycloak
      - MYSQL_PASSWORD=keycloak
    volumes:
      - mysql:/var/lib/mysql
    networks:
      - keycloak_self
    deploy:
      placement:
        constraints:
          - node.role != manager

volumes:
  mysql:
    driver: glusterfs

networks:
  keycloak_self:
    external: true
  http_proxy:
    external: true