decomposer: generate deliverable files for Define the service contract and project architecture for the FastAPI endpoint monitoring service.; Implement the typed monitor CRUD API and concurrency-safe in-memory state according to the service design.; Implement secure on-demand endpoint checks with status updates, latency measurement, robust error handling, and redacted structured logs.; Add operational API endpoints and environment-driven runtime configuration to the monitoring service.; Create automated tests for the monitoring service.; Package the service with Docker and developer documentation.; Validate the complete project.

src/endpoint_monitor/main.py

@@ -0,0 +1,20 @@
+from fastapi import FastAPI
+
+from .api import router
+from .checker import EndpointChecker
+from .config import Settings, get_settings
+from .logging import configure_logging
+from .store import MonitorStore
+
+
+def create_app(settings: Settings | None = None) -> FastAPI:
+    settings = settings or get_settings()
+    configure_logging(settings.log_level)
+    app = FastAPI(title="Endpoint Monitor", version="1.0.0")
+    app.state.store = MonitorStore(settings.max_monitors)
+    app.state.checker = EndpointChecker(settings.request_timeout_seconds, settings.max_redirects)
+    app.include_router(router)
+    return app
+
+
+app = create_app()