Initial certificate system

backend/app/main.py

@@ -0,0 +1,21 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.router import api_router
+from app.core.config import settings
+
+
+def create_app() -> FastAPI:
+    app = FastAPI(title=settings.app_name)
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=settings.cors_origins,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+    app.include_router(api_router)
+    return app
+
+
+app = create_app()