init: 初始化项目

backend/app/main.py

@@ -0,0 +1,29 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.core.config import get_settings
+from app.core.security_middleware import SecurityMiddleware
+from app.api.router import api_router
+
+settings = get_settings()
+
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    openapi_url=f"{settings.API_V1_PREFIX}/openapi.json",
+)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.CORS_ORIGINS,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.add_middleware(SecurityMiddleware)
+
+app.include_router(api_router)
+
+
+@app.get("/health")
+async def health_check():
+    return {"status": "ok", "version": "0.1.0"}