chore: import upstream snapshot with attribution

doc/source/serve/doc_code/monitoring/deployment_logger.py

@@ -0,0 +1,29 @@
+# __start__
+from ray import serve
+
+import logging
+import requests
+
+logger = logging.getLogger("ray.serve")
+
+
+@serve.deployment
+class Counter:
+    def __init__(self):
+        self.count = 0
+
+    def __call__(self, request):
+        self.count += 1
+        logger.info(f"count: {self.count}")
+        return {"count": self.count}
+
+
+counter = Counter.bind()
+serve.run(counter)
+
+for i in range(10):
+    requests.get("http://127.0.0.1:8000/")
+# __end__
+
+response = requests.get("http://127.0.0.1:8000/")
+assert response.json() == {"count": 11}