Update app.py

app.py

@@ -1,7 +1,15 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Response
 
 app = FastAPI()
 
 @app.get("/")
 def greet_json():
-    return {"Hello": "World!"}
+    return {"Hello": "World!"}
+
+@app.get("/health")
+def health():
+    return {"ok": True}
+
+@app.head("/health")
+def health_head():
+    return Response(status_code=200)