Add health endpoint to SGLang runtime server (#90)

python/sglang/srt/server.py

@@ -17,7 +17,7 @@ import requests
 import uvicorn
 import uvloop
 from fastapi import FastAPI, Request
-from fastapi.responses import StreamingResponse
+from fastapi.responses import Response, StreamingResponse
 from sglang.backend.runtime_endpoint import RuntimeEndpoint
 from sglang.srt.conversation import (
     Conversation,
@@ -57,6 +57,12 @@ tokenizer_manager = None
 chat_template_name = None
 
 
+@app.get("/health")
+async def health() -> Response:
+    """Health check."""
+    return Response(status_code=200)
+
+
 @app.get("/get_model_info")
 async def get_model_info():
     result = {