keycloak.yml

# DOMAIN=example.com docker stack deploy -c keycloak.yml keycloak
# chown -R 1000:1000 data

services:
  web:
    image: keycloak/keycloak:${VERSION:-26.0.5}
    command: start-dev
    environment:
      - KC_PROXY_HEADERS=xforwarded
      - KC_BOOTSTRAP_ADMIN_USERNAME=${ADMIN_USERNAME:-admin}
      - KC_BOOTSTRAP_ADMIN_PASSWORD=${ADMIN_PASSWORD:-myp@ssw0rd}
    volumes:
      - ${VOLUME_PATH}data:/opt/keycloak/data
      - ${VOLUME_PATH}providers:/opt/keycloak/providers
    deploy:
      labels:
        - traefik.enable=true
        - traefik.http.routers.keycloak-${NUMBER:-1}.rule=Host(`${DOMAIN:-keycloak.localhost}`)
        - traefik.http.routers.keycloak-${NUMBER:-1}.entrypoints=${SCHEME:-https}
        - traefik.http.routers.keycloak-${NUMBER:-1}.service=keycloak-${NUMBER:-1}
        - traefik.http.routers.keycloak-${NUMBER:-1}.tls.certresolver=letsencrypt
        - traefik.http.services.keycloak-${NUMBER:-1}.loadbalancer.server.port=8080
    networks:
      - internal
      - traefik

volumes:
  data:

networks:
  internal:
    driver: overlay
    attachable: true
  traefik:
    external: true
    name: traefik-net