volumes:
  tempo-data:
  mimir-data:
  loki-data:
  grafana-data:

services:

  # OpenTelemetry Collector - receives and routes all telemetry
  otel-collector:
    image: otel/opentelemetry-collector-contrib
    container_name: otel-collector
    ports:
      - 4317:4317 # gprc
      - 4318:4318 # http
    volumes:
      - ./config/otel-collector.yaml:/etc/otelcol-contrib/config.yaml
    depends_on:
      - tempo
      - mimir
      - loki

  # Grafana Tempo - distributed tracing backend
  tempo:
    image: grafana/tempo:latest
    container_name: tempo
    volumes:
      - ./config/tempo.yaml:/etc/tempo/config.yaml
      - tempo-data:/var/tempo
    command: ["-config.file=/etc/tempo/config.yaml"]
    ports:
      - "3200:3200"   # Tempo API

  # Grafana Mimir - long-term metrics storage
  mimir:
    image: grafana/mimir:latest
    container_name: mimir
    volumes:
      - ./config/mimir.yaml:/etc/mimir/config.yaml
      - mimir-data:/data
    command: ["-config.file=/etc/mimir/config.yaml"]
    ports:
      - "9009:9009"   # Mimir API

  # Grafana Loki - log aggregation
  loki:
    image: grafana/loki:latest
    container_name: loki
    volumes:
      - ./config/loki.yaml:/etc/loki/config.yaml
      - loki-data:/loki
    command: ["-config.file=/etc/loki/config.yaml"]
    ports:
      - "3100:3100"   # Loki API

  # Grafana - visualization and dashboards
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
      - GF_AUTH_DISABLE_LOGIN_FORM=true
    volumes:
      - ./config/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
      - grafana-data:/var/lib/grafana
    ports:
      - "3000:3000"   # Grafana UI
    depends_on:
      - tempo
      - mimir
      - loki