docker-compose.yml

x-default-logging: &logging
  options:
    max-size: "5m"
    max-file: "2"

networks:
  default:
    name: otel-lab
    driver: bridge

services:
  py-otel-client:
      container_name: py-otel-client
      image: ${IMAGE_NAME}:${IMAGE_VERSION}-py-otel-client
      build:
        context: ${CONTEXT}
        dockerfile: Dockerfile.client
      depends_on:
        otel-collector:
          condition: service_started
        py-otel-server:
          condition: service_started
      environment:
          - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otel-collector:4317
          - OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=http://otel-collector:4317
          - OTEL_RESOURCE_ATTRIBUTES=service.name=py-otel-client,service.version=0.1.0
          - DESTINATION_URL=http://py-otel-server:8082/rolldice
      stop_grace_period: 1s
  py-otel-server:
      container_name: py-otel-server
      image: ${IMAGE_NAME}:${IMAGE_VERSION}-py-otel-server
      build:
        context: ${CONTEXT}
        dockerfile: Dockerfile.server
      depends_on:
        otel-collector:
          condition: service_started
      ports:
        - "8082:8082"
      environment:
        - OTEL_TRACES_EXPORTER=console,otlp
        - OTEL_METRICS_EXPORTER=console,otlp
        - OTEL_LOGS_EXPORTER=console,otlp
        - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel-collector:4317
        - OTEL_RESOURCE_ATTRIBUTES=service.name=py-otel-server,service.version=0.1.0
        - OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED=true
        - OTEL_PYTHON_LOG_CORRELATION=true
        - OTEL_PYTHON_LOG_LEVEL=debug
      stop_grace_period: 1s

  py-prometheus-app:
    container_name: py-prometheus-app
    image: ${IMAGE_NAME}:${IMAGE_VERSION}-py-prometheus-app
    build:
      context: ${CONTEXT}
      dockerfile: Dockerfile.app
    ports:
      - "8080:8080"
    stop_grace_period: 1s

  # ********************
  # Telemetry Components
  # ********************
  # Jaeger
  jaeger:
    image: jaegertracing/all-in-one
    container_name: jaeger
    command:
      - "--memory.max-traces"
      - "10000"
      - "--query.base-path"
      - "/jaeger/ui"
    deploy:
      resources:
        limits:
          memory: 300M
    restart: unless-stopped
    ports:
      - "16686:16686"                    # Jaeger UI
      - "4317"                           # OTLP gRPC default port
    environment:
      - COLLECTOR_OTLP_ENABLED=true
      - METRICS_STORAGE_TYPE=prometheus
    logging: *logging

  # OpenTelemetry Collector
  otel-collector:
    image: otel/opentelemetry-collector-contrib:0.93.0
    container_name: otel-collector
    deploy:
      resources:
        limits:
          memory: 125M
    restart: unless-stopped
    command: [ "--config=/etc/otelcol-config.yml", "--config=/etc/otelcol-config-extras.yml" ]
    volumes:
      - ./src/otelcollector/otelcol-config.yml:/etc/otelcol-config.yml
      - ./src/otelcollector/otelcol-config-extras.yml:/etc/otelcol-config-extras.yml
    ports:
      - "4317"
      - "4318"
    depends_on:
      - jaeger
    logging: *logging