version: "3.8"

services:
  # =========================
  # Prometheus
  # =========================
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: unless-stopped
    volumes:
      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ./prometheus/alert.rules.yml:/etc/prometheus/alert.rules.yml:ro
      - prometheus_data:/prometheus
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--storage.tsdb.path=/prometheus"
      - "--storage.tsdb.retention.time=15d"
      - "--web.enable-lifecycle"
    ports:
      - "9090:9090"
    networks:
      - monitoring

  # =========================
  # Grafana
  # =========================
  grafana:
    image: grafana/grafana-oss:latest
    container_name: grafana
    restart: unless-stopped
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_SERVER_DOMAIN=localhost
      - GF_SERVER_ROOT_URL=%(protocol)s://%(domain)s:%(http_port)s/
    volumes:
      - grafana_data:/var/lib/grafana
    ports:
      - "3000:3000"
    networks:
      - monitoring
    depends_on:
      - prometheus
      - loki

  # =========================
  # Alertmanager
  # =========================
  alertmanager:
    image: prom/alertmanager:latest
    container_name: alertmanager
    restart: unless-stopped
    volumes:
      - ./alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml:ro
    command:
      - "--config.file=/etc/alertmanager/alertmanager.yml"
    ports:
      - "9093:9093"
    networks:
      - monitoring

  # =========================
  # Blackbox exporter
  # =========================
  blackbox-exporter:
    image: prom/blackbox-exporter:latest
    container_name: blackbox-exporter
    restart: unless-stopped
    volumes:
      - ./blackbox/blackbox.yml:/etc/blackbox_exporter/config.yml:ro
    command:
      - "--config.file=/etc/blackbox_exporter/config.yml"
    ports:
      - "9115:9115"
    networks:
      - monitoring

  # =========================
  # Loki (logs backend)
  # =========================
  loki:
    image: grafana/loki:latest
    container_name: loki
    restart: unless-stopped
    command: -config.file=/etc/loki/local-config.yml
    volumes:
      - ./loki/loki-config.yml:/etc/loki/local-config.yml:ro
      - loki_data:/loki
    ports:
      - "3100:3100"
    networks:
      - monitoring

  # =========================
  # Promtail (log shipper from this host)
  # =========================
  promtail:
    image: grafana/promtail:latest
    container_name: promtail
    restart: unless-stopped
    volumes:
      - ./promtail/promtail-config.yml:/etc/promtail/config.yml:ro
      - /var/log:/var/log:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
      - /etc/machine-id:/etc/machine-id:ro
    command: -config.file=/etc/promtail/config.yml
    networks:
      - monitoring
    depends_on:
      - loki

networks:
  monitoring:

volumes:
  prometheus_data:
  grafana_data:
  loki_data: