docker-compose.yml

version: '3.6'
services:
  py-http-otel: # flask http server instrumented with OpenTelemetry
    build: ./http-otel/
    image: ${REPO:-duxing/otel-datadog-apm-py/http-otel}:${TAG:-latest}
    # to auto-instrument: prepent command with "opentelemetry-instrument"
    # manual instrumentation is setup in code.
    command: ["flask", "run", "-h", "0.0.0.0", "-p", "8080"]
    environment:
      ENV: ${ENV}
      SERVICE: ${SERVICE}-otel
      VERSION: ${VERSION:-latest}
      # created in code: need multiple resources.
      # OTEL_SERVICE_NAME: ${SERVICE}-http-otel
      # OTEL_RESOURCE_ATTRIBUTES: "service.name=${SERVICE}-otel-api,deployment.environment=${ENV},service.version=${VERSION:-latest}"
      # datadog:4317 (DataDog OTEL ingestion is not stable yet)
      OTEL_EXPORTER_OTLP_ENDPOINT: otel-collector:4317 # trace over grpc
      REDIS0_HOST: redis0
      REDIS0_PORT: 6379
      REDIS1_HOST: redis1
      REDIS1_PORT: 6379
      SHARED_REDIS_SERVICE_NAME: another-service-redis
    ports:
      - 8080
  py-http-dd: # flask http server instrumented with ddtrace
    build: ./http-dd/
    image: ${REPO:-duxing/otel-datadog-apm-py/http-dd}:${TAG:-latest}
    # prepent command with "ddtrace" to auto-instrument
    command: ["flask", "run", "-h", "0.0.0.0", "-p", "8080"]
    environment:
      SERVICE: ${SERVICE}-dd
      DD_SERVICE: ${SERVICE}-dd-api
      DD_ENV: ${ENV}
      DD_VERSION: ${VERSION:-latest}
      DD_TAGS: "lang:py,impl:ddtrace"
      DD_TRACE_AGENT_URL: http://datadog:8126 # trace over http
      # use DD_SERVICE_MAPPING: turn on if necessary
      DD_TRACE_SAMPLE_RATE: 1.0
      DD_TRACE_ENABLED: "True"
      DD_PATCH_MODULES: "flask:true,redis:false"
      
      REDIS0_HOST: redis0
      REDIS0_PORT: 6379
      REDIS1_HOST: redis1
      REDIS1_PORT: 6379
      SHARED_REDIS_SERVICE_NAME: another-service-redis
    ports:
      - 8080
  redis0:
    image: redis:6-alpine
    ports:
      - 6379
  redis1:
    image: redis:6-alpine
    ports:
      - 6379
  datadog:
    image: datadog/agent:7.35.0
    environment:
      DD_LOG_LEVEL: "OFF"
      DD_API_KEY: ${DD_API_KEY}
      DD_APM_ENABLED: "true"
      DD_APM_NON_LOCAL_TRAFFIC: "true"
      DD_DOGSTATSD_NON_LOCAL_TRAFFIC: "true"
      # OTEL ingestion related configurations:
      # DD_OTLP_CONFIG_RECEIVER_PROTOCOLS_GRPC_ENDPOINT: 0.0.0.0:4317
      # DD_OTLP_CONFIG_RECEIVER_PROTOCOLS_GRPC_TRANSPORT: tcp
      # DD_OTLP_CONFIG_RECEIVER_PROTOCOLS_HTTP_ENDPOINT: 0.0.0.0:4318
      # DD_OTLP_CONFIG_METRICS_ENABLED: "true"
      # DD_OTLP_CONFIG_TRACES_ENABLED: "true"
  otel-collector:
    image: otel/opentelemetry-collector-contrib-dev:latest
    command: ["--config=/etc/otel-collector-config.yaml", "--config=env:COLLECTOR_EXTRA_CONFIG", "${OTELCOL_ARGS:-}"]
    environment:
      DD_API_KEY: ${DD_API_KEY}
      # see: https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/8396
      COLLECTOR_EXTRA_CONFIG: "exporters::datadog::tags: [\"lang:py\", \"impl:opentelemetry\"]"
    volumes:
      - ./config/otel-collector-config.yaml:/etc/otel-collector-config.yaml
    ports:
      - 13133 # health_check extension
      - 4317  # OTLP gRPC receiver
      - 55679 # zpages extension