feat: expose the service url as a property

Signed-off-by: Frost Ming <me@frostming.com>

src/_bentoml_impl/server/serving.py

@@ -301,6 +301,7 @@ def serve_http(
         )
 
         log_host = "localhost" if host in ["0.0.0.0", "::"] else host
+        dependency_map[svc.name] = f"{scheme}://{log_host}:{port}"
 
         # inject runner map now
         inject_env = {"BENTOML_RUNNER_MAP": json.dumps(dependency_map)}

src/_bentoml_sdk/service/factory.py

@@ -127,6 +127,13 @@ def find_dependent(self, name_or_path: str) -> Service[t.Any]:
             return self.dependencies[attr_name].on.find_dependent(path)
         return self.dependencies[attr_name].on
 
+    @property
+    def url(self) -> str | None:
+        """Get the URL of the service, or None if the service is not served"""
+        dependency_map = BentoMLContainer.remote_runner_mapping.get()
+        url = dependency_map.get(self.name)
+        return url.replace("tcp://", "http://") if url else None
+
     @lru_cache(maxsize=1)
     def all_services(self) -> dict[str, Service[t.Any]]:
         """Get a map of the service and all recursive dependencies"""