version: "3"

services:
  loki:
    image: grafana/loki:1.5.0
    restart: always
    ports:
      - "3100:3100"
    command: -config.file=/etc/loki/local-config.yaml
    volumes:
      - loki-config:/etc/loki
    networks:
      - loki

  promtail:
    image: grafana/promtail:1.5.0
    restart: always
    volumes:
      - /var/log:/var/log
      - promtail-config:/etc/promtail
    command: -config.file=/etc/promtail/docker-config.yaml
    networks:
      - loki

  grafana:
    image: grafana/grafana
    restart: always
    ports:
      - "3000:3000"
    depends_on:
      - loki
      - promtail
    volumes:
      - grafana-storage:/var/lib/grafana
    networks:
      - loki

networks:
  loki:

volumes:
  loki-config:
  promtail-config:
  grafana-storage: