grafana:
  image: grafana/grafana
  ports:
    - "3000:3000"
  volumes:
    - ./data:/var/lib/grafana
  environment:
    - GF_SERVER_ROOT_URL=http://grafana.example.com:3000/
    - GF_SECURITY_ADMIN_USER=admin
    - GF_SECURITY_ADMIN_PASSWORD=admin
    - GF_SMTP_ENABLED=true
    - GF_SMTP_HOST=smtp.gmail.com:587
    - GF_SMTP_USER=grafana@example.com
    - GF_SMTP_FROM_ADDRESS=grafana@example.com
    - GF_SMTP_PASSWORD=******
    - GF_USERS_ALLOW_SIGN_UP=false
    - GF_ALERTING_ERROR_OR_TIMEOUT=keep_state
  restart: always