docker-compose.yml

version: '3'

services:
  #  storage:
  #    image: ghcr.io/openzipkin/zipkin-mysql:${TAG:-latest}
  #    container_name: mysql
  #    # Uncomment to expose the storage port for testing
  #    # ports:
  #    #   - 3306:3306

  # Use MySQL instead of in-memory storage
  zipkin:
    image: ghcr.io/openzipkin/zipkin-slim:${TAG:-latest}
    container_name: zipkin
    ports:
      - "9411:9411"
    environment:
      - STORAGE_TYPE=mem
      - MYSQL_HOST=mysql
      # Add the baked-in username and password for the zipkin-mysql image
      - MYSQL_USER=zipkin
      - MYSQL_PASS=zipkin
  #    depends_on:
  #      - storage

  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    hostname: prometheus
    command:
      - --config.file=/etc/prometheus.yaml
      - --web.enable-remote-write-receiver
      - --enable-feature=exemplar-storage
    volumes:
      - ./prometheus.yaml:/etc/prometheus.yaml
    ports:
      - "9090:9090"
    healthcheck:
      interval: 5s
      retries: 10
      test: wget --no-verbose --tries=1 --spider http://localhost:9090/status || exit 1

  otel-collector:
    container_name: otel-collector
    image: otel/opentelemetry-collector
    command: [ "--config=/etc/otel-collector-config.yaml" ]
    depends_on:
      - zipkin
      - prometheus
    volumes:
      - ./otel-collector-logging-config.yaml:/etc/otel-collector-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

  greeting-service:
    container_name: greeting-service
    image: com.example/greeting-service:v1.0.0
    depends_on:
      - otel-collector
    environment:
      OTEL_TRACES_EXPORTER: otlp
      OTEL_METRICS_EXPORTER: otlp
      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
      #      OTEL_TRACES_EXPORTER: zipkin
      #      OTEL_EXPORTER_ZIPKIN_ENDPOINT: http://zipkin:9411/api/v2/spans
      #      OTEL_METRICS_EXPORTER: prometheus
      #      OTEL_EXPORTER_PROMETHEUS_PORT: 8088
      OTEL_RESOURCE_ATTRIBUTES: service.name=greeting-service,service-version=1.0
    build:
      context: ./greeting-service
    ports:
      - "9092:9092"
      - "8088:8088"
      - "8082:8082"

  hello-service:
    container_name: hello-service
    image: com.example/hello-service:v1.0.0
    depends_on:
      - otel-collector
    environment:
      OTEL_TRACES_EXPORTER: otlp
      OTEL_METRICS_EXPORTER: otlp
      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
      #      OTEL_TRACES_EXPORTER: zipkin
      #      OTEL_EXPORTER_ZIPKIN_ENDPOINT: http://zipkin:9411/api/v2/spans
      #      OTEL_METRICS_EXPORTER: prometheus
      #      OTEL_EXPORTER_PROMETHEUS_PORT: 8089
      OTEL_RESOURCE_ATTRIBUTES: service.name=hello-service,service-version=1.0
      SPRING_APPLICATION_JSON: '{
        "grpc.client.greeting-service.address":"static://greeting-service:9090",
        "greeting.service.rest.endpoint":"http://greeting-service:8082"
      }'
    build:
      context: ./hello-service
    ports:
      - "9091:9091"
      - "8080:8080"
      - "8089:8089"