tracing-backend.yaml

version: '3'

services:
    user-simulator: # an instrumented service
        build: user-simulator
        environment:
          JAEGER_SERVICE_NAME: user-simulator
          JAEGER_AGENT_HOST: jaeger-agent
          JAEGER_AGENT_PORT: 6832
          JAEGER_SAMPLER_TYPE: const
          JAEGER_SAMPLER_PARAM: 1
        depends_on:
          - jaeger-agent
    
    jaeger-agent:
        build: jaeger-agent
        environment:
          REPORTER_TYPE: grpc
          REPORTER_GRPC_HOST_PORT: jaeger-collector:14250
          PROCESSOR_JAEGER_BINARY_SERVER_HOST_PORT: :6832
        ports:
          - "6832:6832" # for receiving traces via UDP
        depends_on:
          - jaeger-collector
    
    jaeger-collector:
        build: jaeger-collector
        environment:
          SPAN_STORAGE_TYPE: elasticsearch
          ES_SERVER_URLS: http://elasticsearch:9200
        ports:
          - "14250:14250" # for receiving spans via grpc
        depends_on:
          - elasticsearch
    
    jaeger-query:
        build: jaeger-query
        environment:
          SPAN_STORAGE_TYPE: elasticsearch
          ES_SERVER_URLS: http://elasticsearch:9200
        ports:
          - "16686:16686" # provides UI
        depends_on:
          - elasticsearch
    
    elasticsearch:
        image: elasticsearch:5.6-alpine
        ports:
          - "9200:9200" # server listens here