env/keycloak.yaml

version: '3'
services:
  keycloak-db:
      image: mysql:5.7
      restart: always
      container_name: keycloak-db
      volumes:
        - ./data/keycloak/database:/var/lib/mysql
      environment:
        MYSQL_ROOT_PASSWORD: root
        MYSQL_DATABASE: keycloak
        MYSQL_USER: keycloak
        MYSQL_PASSWORD: password

  keycloak:
      image: quay.io/keycloak/keycloak:18.0
      restart: always
      container_name: keycloak
      entrypoint: /opt/keycloak/bin/kc.sh start --hostname="$${KEYCLOAK_HOSTNAME}.$${DOMAIN_NAME}" --proxy=edge
#      healthcheck:
#        test: ["CMD", "curl", "-f", "http://localhost:8080"]
#        interval: 30s
#        timeout: 10s
#        retries: 3
      user: "0:0" # otherwise the persistent data directory is not writable
      environment:
        DB_VENDOR: MYSQL
        DB_ADDR: keycloak-db
        DB_DATABASE: keycloak
        DB_USER: keycloak
        DB_PASSWORD: password
        KEYCLOAK_ADMIN: admin
        KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD}
        PROXY_ADDRESS_FORWARDING: 'true'
      env_file:
        - ./env.production
      volumes:
        - ./data/keycloak/certs:/etc/x509/https
        - ./data/keycloak/keycloak:/opt/keycloak/data
        - ./keycloak/client-create:/bin/client-create:ro
        - ./keycloak/create-user:/bin/create-user:ro
        - ./keycloak/remind-user:/bin/remind-user:ro
        - ./keycloak/keycloak-login.sh:/bin/keycloak-login.sh:ro
        - ./keycloak/entrypoint-setup.sh:/setup.sh:ro
        - ./keycloak/mail-setup.sh:/keycloak-setup/mail-setup.sh:ro
        - ./keycloak/mapper-setup.sh:/keycloak-setup/mapper-setup.sh:ro
        - ./data/keycloak/secrets:/run/secrets/keycloak-secrets:ro
      depends_on:
        - keycloak-db

  # add the keycloak nginx configuration into the nginx volume
  nginx:
    volumes:
      - ./keycloak/nginx.conf:/etc/nginx/templates/keycloak.conf.template:ro