---
version: "3.9"

services:
  grafana:
    image: grafana/grafana:${GRAFANA_VERSION:-latest}
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.grafana.rule=Host(`${GRAFANA_HOST}`)"
      - "traefik.http.services.grafana.loadbalancer.server.port=3000"
    expose:
      - 3000
    volumes:
      - ./grafana/provisioning:/etc/grafana/provisioning
      - grafana-storage:/var/lib/grafana
    profiles:
      - grafana

  loki:
    image: grafana/loki:${LOKI_STACK_VERSION}
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.loki.rule=Host(`${LOKI_HOST}`)"
      - "traefik.http.services.loki.loadbalancer.server.port=3100"
    expose:
      - 3100
    volumes:
      - ./loki:/loki/config
    command: --config.file=/loki/config/config.yml
    profiles:
      - grafana

  agent:
    image: grafana/agent:${AGENT_VERSION}
    environment:
      WAL_DATA_DIRECTORY: /opt/agent/data
      CONFIG_FILE_PATH: /etc/agent/agent.yaml
      AGENT_LOKI_URL: "${AGENT_LOKI_URL}"
      AGENT_TEMPO_URL: "${AGENT_TEMPO_URL}"
    volumes:
      - ./agent:/etc/agent/
      - /var/run/docker.sock:/var/run/docker.sock:ro
    command:
      - "-config.file=/etc/agent/agent.yaml"
      - "-config.expand-env"
    profiles:
      - agent

  tempo:
    image: grafana/tempo:${TEMPO_VERSION}
    command:
      - "-config.file=${TEMPO_CONFIG_FILE:-/etc/tempo/tempo.yml}"
      - "-config.expand-env=true"
    expose:
      - 3200 # tempo
      - 9095 # tempo grpc
      - 4317 # otlp grpc
      - 4318 # otlp http
    environment:
      TEMPO_SERVER_LOG_LEVEL: ${TEMPO_SERVER_LOG_LEVEL:-info}
      TEMPO_STORAGE_PATH: ${TEMPO_STORAGE_PATH:-/opt/tempo}
      TEMPO_PROMETHEUS_URL: ${TEMPO_PROMETHEUS_URL}
    volumes:
      - ./tempo:/etc/tempo
      - tempo-local-storage:${TEMPO_STORAGE_PATH:-/opt/tempo}
    profiles:
      - tempo

  prometheus:
    image: prom/prometheus:${PROMETHEUS_VERSION}
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.prometheus.rule=Host(`${PROMETHEUS_HOST}`)"
      - "traefik.http.services.prometheus.loadbalancer.server.port=9090"
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention.time=${PROMETHEUS_RETENTION_TIME:-10d}'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
    expose:
      - 9090
    volumes:
      - ./prometheus/:/etc/prometheus/
      - prometheus-data:/prometheus
    profiles:
      - prometheus

  node-exporter:
    image: prom/node-exporter:${PROMETHEUS_NODE_EXPORTER_VERSION}
    restart: on-failure
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - --collector.filesystem.ignored-mount-points
      - "^/(sys|proc|dev|host|etc|rootfs/var/lib/docker/containers|rootfs/var/lib/docker/overlay2|rootfs/run/docker/netns|rootfs/var/lib/docker/aufs)($$|/)"
    expose:
      - 9100
    profiles:
      - prometheus

volumes:
  grafana-storage:
  tempo-local-storage:
  prometheus-data: