version: '3.8'

services:
  loki:
    image: grafana/loki:{{ loki_version }}
    container_name: loki
    restart: unless-stopped
    ports:
      - "{{ loki_port }}:3100"
    command: -config.file=/etc/loki/loki-config.yml
    volumes:
      - "{{ loki_data_dir }}:/loki"
      - "{{ loki_config_dir }}:/etc/loki"
    networks:
      - monitoring
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  promtail:
    image: grafana/promtail:{{ loki_version }}
    container_name: promtail
    restart: unless-stopped
    command: -config.file=/etc/promtail/promtail-config.yml
    volumes:
      - "{{ promtail_config_dir }}:/etc/promtail"
      - "/var/log:/var/log:ro"
      - "/var/lib/docker/containers:/var/lib/docker/containers:ro"
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    networks:
      - monitoring
    depends_on:
      - loki
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

networks:
  monitoring:
    name: monitoring
    external: true