docker-compose.yml

services:
  # MinIO - Object Storage for Tempo, Mimir, and Loki
  minio:
    image: quay.io/minio/minio:latest
    container_name: minio
    command: server /data --console-address ":9001"
    ports:
      - "9000:9000"
      - "9001:9001"
    environment:
      - MINIO_ROOT_USER=admin
      - MINIO_ROOT_PASSWORD=password123
    volumes:
      - minio_data:/data
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
      interval: 30s
      timeout: 20s
      retries: 3
    networks:
      - observability

  # MinIO bucket setup
  minio-setup:
    image: quay.io/minio/mc:latest
    container_name: minio-setup
    depends_on:
      - minio
    entrypoint: >
      /bin/sh -c "
      /usr/bin/mc alias set minio http://minio:9000 admin password123;
      /usr/bin/mc mb minio/tempo-data;
      /usr/bin/mc mb minio/mimir-data;
      /usr/bin/mc mb minio/loki-data;
      /usr/bin/mc mb minio/ruler-data;
      /usr/bin/mc mb minio/alertmanager-data;
      exit 0;
      "
    networks:
      - observability

  # Grafana Tempo - Distributed Tracing
  tempo:
    image: grafana/tempo:latest
    container_name: tempo
    ports:
      - "3200:3200"
      - "4317:4317"  # OTLP gRPC
      - "4318:4318"  # OTLP HTTP
    command:
      - "-config.file=/etc/tempo.yaml"
    volumes:
      - ./config/tempo.yaml:/etc/tempo.yaml
    depends_on:
      - minio-setup
    networks:
      - observability

  # Grafana Mimir - Metrics Storage
  mimir:
    image: grafana/mimir:latest
    container_name: mimir
    ports:
      - "9009:9009"
    command:
      - "-config.file=/etc/mimir.yaml"
    volumes:
      - ./config/mimir.yaml:/etc/mimir.yaml
    depends_on:
      - minio-setup
    networks:
      - observability

  # Grafana Loki - Log Storage
  loki:
    image: grafana/loki:latest
    container_name: loki
    ports:
      - "3100:3100"
    command:
      - "-config.file=/etc/loki.yaml"
    volumes:
      - ./config/loki.yaml:/etc/loki.yaml
    depends_on:
      - minio-setup
    networks:
      - observability

  # Grafana Alloy - Telemetry Collection
  alloy:
    image: grafana/alloy:latest
    container_name: alloy
    ports:
      - "12345:12345"  # Alloy UI
      - "4320:4320"    # OTLP gRPC receiver
      - "4321:4321"    # OTLP HTTP receiver
      - "9464:9464"    # Prometheus metrics
    command:
      - "run"
      - "/etc/alloy/config.alloy"
      - "--server.http.listen-addr=0.0.0.0:12345"
      - "--storage.path=/var/lib/alloy/data"
    volumes:
      - ./config/alloy.alloy:/etc/alloy/config.alloy
      - alloy_data:/var/lib/alloy/data
    depends_on:
      - tempo
      - mimir
      - loki
    networks:
      - observability

  # Grafana - Visualization
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - "3000:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor
      - GF_INSTALL_PLUGINS=grafana-clock-panel,grafana-simple-json-datasource
    volumes:
      - grafana_data:/var/lib/grafana
      - ./config/grafana/provisioning:/etc/grafana/provisioning
    depends_on:
      - tempo
      - mimir
      - loki
    networks:
      - observability

  # .NET Core User API Application
  otel-crud-api:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: otel-crud-api
    ports:
      - "8080:8080"
    environment:
      - ASPNETCORE_ENVIRONMENT=Docker
      - ASPNETCORE_URLS=http://+:8080
      - OpenTelemetry__ServiceName=otel-crud-api
      - OpenTelemetry__ServiceVersion=1.0.0
      - OpenTelemetry__OtlpEndpoint=http://alloy:4320
      - OpenTelemetry__TracesExporter=otlp
      - OpenTelemetry__MetricsExporter=otlp
      - OpenTelemetry__LogsExporter=otlp
      - Serilog__MinimumLevel__Default=Information
      - Serilog__WriteTo__0__Name=Console
      - Serilog__WriteTo__0__Args__outputTemplate=[{Timestamp:HH:mm:ss} {Level:u3}] [{SourceContext}] {Message:lj} {Properties:j}{NewLine}{Exception}
      - Serilog__WriteTo__1__Name=File
      - Serilog__WriteTo__1__Args__path=/app/logs/application-.log
      - Serilog__WriteTo__1__Args__rollingInterval=Day
      - Serilog__WriteTo__1__Args__retainedFileCountLimit=7
      - Serilog__Enrich__0=FromLogContext
      - Serilog__Enrich__1=WithMachineName
      - Serilog__Enrich__2=WithThreadId
    volumes:
      - app_logs:/app/logs
    depends_on:
      - alloy
    networks:
      - observability
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 60s

volumes:
  minio_data:
  alloy_data:
  grafana_data:
  app_logs:

networks:
  observability:
    driver: bridge