services:
  collector:
    image: otel/opentelemetry-collector-contrib
    volumes:
      - ../otel-collector-config.yml:/etc/otelcol-contrib/config.yaml
    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
      - 4318:4318 # OTLP http receiver
      - 55679:55679 # zpages extension

  zipkin:
    image: ghcr.io/openzipkin/zipkin-slim
    container_name: zipkin
    # Environment settings are defined here https://github.com/openzipkin/zipkin/blob/master/zipkin-server/README.md#environment-variables
    environment:
      - STORAGE_TYPE=mem
    ports:
      - 9411:9411
    # command: --logging.level.zipkin2=DEBUG