Создан пример приложения

api/__init__.py

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+"""FastAPI application package."""
+

api/main.py

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+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from api.routers.health import router as health_router
+
+
+app = FastAPI(title="Common FastAPI App")
+app.include_router(health_router)
+
+# Keep permissive defaults; tighten for production deployments.
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run("api.main:app", host="0.0.0.0", port=8000, reload=True)
+

api/routers/__init__.py

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+"""Application routers package."""
+

api/routers/health.py

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+from fastapi import APIRouter
+
+router = APIRouter()
+
+
+@router.get("/health")
+def health() -> dict:
+    return {"status": "ok"}
+
+
+@router.get("/")
+def root() -> dict:
+    return {"message": "FastAPI is running"}
+