services:

  # Tempo runs as user 10001, and docker compose creates the volume as root.
  # As such, we need to chown the volume in order for Tempo to start correctly.
  init:
    image: &tempoImage grafana/tempo:latest
    user: root
    entrypoint:
      - "chown"
      - "10001:10001"
      - "/var/tempo"
    volumes:
      - ./tempo-data:/var/tempo

  tempo:
    image: *tempoImage
    command: [ "-multitenancy.enabled=true", "-config.file=/etc/tempo.yaml" ]
    volumes:
      - ../shared/tempo.yaml:/etc/tempo.yaml
      - ./tempo-data:/var/tempo
    ports:
      - "3200" # tempo
      - "4317" # otlp grpc
    depends_on:
      - init

  # Generate fake traces...
  k6-tracing:
    image: ghcr.io/grafana/xk6-client-tracing:v0.0.7
    environment:
      - ENDPOINT=otel-collector:4317
    restart: always
    depends_on:
      - otel-collector

  # And put them in an OTEL collector pipeline...
  otel-collector:
    image: otel/opentelemetry-collector:0.61.0
    command: [ "--config=/etc/otel-collector.yaml" ]
    volumes:
      - ./otel-collector.multitenant.yaml:/etc/otel-collector.yaml

  prometheus:
    image: prom/prometheus:latest
    command:
      - --config.file=/etc/prometheus.yaml
      - --web.enable-remote-write-receiver
      - --enable-feature=exemplar-storage
      - --enable-feature=native-histograms
    volumes:
      - ../shared/prometheus.yaml:/etc/prometheus.yaml
    ports:
      - "9090:9090"

  grafana:
    image: grafana/grafana:11.5.2
    volumes:
      - ./grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
      - GF_AUTH_DISABLE_LOGIN_FORM=true
      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor metricsSummary
    ports:
      - "3000:3000"