Update api.py with proper Swagger UI and CORS configuration

api.py

@@ -0,0 +1,30 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from litellm.proxy.proxy_server import app as proxy_app
+
+# Create FastAPI app
+app = FastAPI(
+    title="LiteLLM API",
+    version="1.0.0",
+    docs_url="/",  # Serve Swagger UI at root
+)
+
+# Add CORS middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Mount the LiteLLM Proxy server
+app.mount("/proxy", proxy_app)
+
+@app.get("/health")
+def health_check():
+    return {"status": "healthy"}
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=7860)