version: '3.8'

services:
  # Upstream Service (e.g. Enterprise Database API)
  database-api:
    image: python:3.11-slim
    command: python -c "import http.server; http.server.HTTPServer(('0.0.0.0', 8000), http.server.SimpleHTTPRequestHandler).serve_forever()"
    expose:
      - "8000"

  # Bartholomew Runtime Execution Sidecar (Network Gate)
  bartholomew-sidecar:
    build:
      context: ..
      dockerfile: sidecar/Dockerfile
    ports:
      - "8080:8080"
    environment:
      - UPSTREAM_TARGET=http://database-api:8000
      - MAX_SPEND_THRESHOLD_USD=500.0
    depends_on:
      - database-api