version: '3.8'
services:
  prometheus:
    image: prom/prometheus
    # needed if mounted in custom volume
    user: root
    volumes:
      - "./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml"
      - "${PROMETHEUS_DATA_DIR:?specify data dir in .env file}:/prometheus"
    extra_hosts:
      - "host.docker.internal:host-gateway"
    ports:
      - 9090:9090
  grafana:
    build:
      context: ./grafana
    user: root
    extra_hosts:
      - "host.docker.internal:host-gateway"
    ports:
      - 9000:3000
    volumes:
      - ${GRAFANA_DATA_DIR:?specify data dir in .env file}:/var/lib/grafana