version: "0.1.0"

services:
  # Collector
  collector:
    image: otel/opentelemetry-collector-contrib:latest
    container_name: collector
    command: ["--config=/conf/collector-config.yaml"]
    volumes:
      - ./collector/collector-config.yaml:/conf/collector-config.yaml
      - ./collector/metrics.json:/metrics.json
    ports:
      - "9464:9464" #prometheus
      - "4317:4317" #OLTP gRPC
      - "4318:4318" # OTLP HTTP
    environment:
      - PROMUSERNAME
      - PROMPASSWORD
      - PROMENDPOINT

  
  # Example Apps
  # Python
  flask_server:
    container_name: flask_server
    build:
      context: ./python
      dockerfile: ./examples/http_server/Dockerfile
    depends_on:
      collector:
        condition: service_started

extensions:
  basicauth/metrics:
    client_auth:
      username: ${env:PROMUSERNAME}
      password: ${env:PROMPASSWORD}

receivers:
  otlp:
    protocols:
      grpc:
      http:
        endpoint: "localhost:4318"
        cors:
          allowed_origins:
            - "http://*"
            - "https://*"

exporters:
  file:
    path: ./metrics.json
  prometheusremotewrite:
    auth:
      authenticator: basicauth/metrics
    endpoint: ${env:PROMENDPOINT}

service:
  extensions: [basicauth/metrics]
  pipelines:
    metrics:
      receivers: [otlp]
      exporters: [file, prometheusremotewrite]