docker-compose.yml

# docker-compose.yml — Local observability stack + containerized Conference API
#
# Start with: docker compose up -d --build
# App:        http://localhost:8080
# Jaeger UI:  http://localhost:16686  (search for service "confapi")

services:
  jaeger:
    image: jaegertracing/all-in-one:1.62
    ports:
      - "4317:4317"     # OTLP gRPC receiver
      - "4318:4318"     # OTLP HTTP receiver
      - "16686:16686"   # Jaeger UI
    environment:
      COLLECTOR_OTLP_ENABLED: "true"

  confapi:
    build:
      context: .
      dockerfile: docker/quarkus/Dockerfile
    image: confapi:local
    depends_on:
      - jaeger
    ports:
      - "8080:8080"
    environment:
      # Containers reach each other by service name on the Compose network.
      # Overrides the "localhost:4317" baked into microprofile-config.properties,
      # so local (non-Docker) dev keeps working unchanged.
      OTEL_EXPORTER_OTLP_ENDPOINT: "http://jaeger:4317"
      OTEL_SERVICE_NAME: "confapi"