version: "3"
services:
  otelcollector:
    image: otel/opentelemetry-collector-contrib:0.17.0
    container_name: otelcollector
    command: ["--config=/etc/otel-collector-config.yml"]
    volumes:
      - ./otel-collector-config.yml:/etc/otel-collector-config.yml
    ports:
      - "1888:1888"   # pprof extension
      - "8888:8888"   # Prometheus metrics exposed by the collector
      - "8889:8889"   # Prometheus exporter metrics
      - "13133:13133" # health_check extension
      - "4317:4317"   # OTLP GRPC receiver
    depends_on:
      - zipkin
      - metricsviewer

  # Zipkin
  zipkin:
    image: openzipkin/zipkin
    container_name: zipkin
    ports:
      - 9411:9411

  metricsviewer:
    image: docker.io/tmio/metrics-ui
    container_name: metricsviewer
    ports:
      - 8080:8080