# MCP Hangar + OpenTelemetry Collector + OpenLIT
#
# Governance telemetry pipeline:
#   Hangar (OTLP) -> OTEL Collector -> OpenLIT
#
# MCP spans visible in OpenLIT trace explorer with governance attributes:
#   mcp.server.id, mcp.tool.name, mcp.tool.status, mcp.user.id, etc.
#
# Usage:
#   docker-compose up
#   Open OpenLIT at http://localhost:3000
#
# Ports:
#   3000 - OpenLIT dashboard
#   4317 - OTEL Collector OTLP gRPC receiver
#   8080 - Hangar HTTP API

services:
  mcp-hangar:
    image: ghcr.io/mcp-hangar/mcp-hangar:latest
    ports:
      - "8080:8080"
    environment:
      MCP_MODE: http
      MCP_HTTP_PORT: "8080"
      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
      OTEL_SERVICE_NAME: mcp-hangar
      MCP_TRACING_ENABLED: "true"
    volumes:
      - ./config.yaml:/app/config.yaml:ro
    depends_on:
      - otel-collector

  otel-collector:
    image: otel/opentelemetry-collector-contrib:0.96.0
    ports:
      - "4317:4317"
    volumes:
      - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml:ro
    command: ["--config=/etc/otel-collector-config.yaml"]
    depends_on:
      - openlit

  openlit:
    image: ghcr.io/openlit/openlit:latest
    ports:
      - "3000:3000"   # OpenLIT dashboard
      - "4319:4317"   # OpenLIT OTLP gRPC receiver (internal, collector forwards here)
    environment:
      SQLITE_DATABASE_URL: file:/app/client/data/openlit.db
    volumes:
      - openlit-data:/app/client/data

volumes:
  openlit-data: