version: "3"
services:

  # OTEL Collector to receive logs, metrics and traces from the application
  otel-collector:
    image: otel/opentelemetry-collector:0.111.0
    command: [ "--config=/etc/otel-collector.yaml" ]
    volumes:
      - ./otel-collector.yaml:/etc/otel-collector.yaml
    ports:
      - "4317:4317"
      - "4318:4318"
      - "9201:9201"

  # Exports Traces to Tempo
  tempo:
    image: grafana/tempo:latest
    command: [ "-config.file=/etc/tempo.yaml" ]
    volumes:
      - ./tempo.yaml:/etc/tempo.yaml
      - ./tempo-data:/tmp/tempo
    ports:
      - "3200"  # tempo
      - "4317"  # otlp grpc
      - "4318"  # otlp http

# Exports Metrics to Prometheus
  prometheus:
    image: prom/prometheus:latest
    command:
      - --config.file=/etc/prometheus.yaml
      - --web.enable-remote-write-receiver
      - --enable-feature=exemplar-storage
    volumes:
      - ./prometheus.yaml:/etc/prometheus.yaml
    ports:
      - "9090:9090"

# UI to query traces and metrics
  grafana:
    image: grafana/grafana:9.3.2
    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
    ports:
      - "3000:3000"