Add max-age Cache-Control header to kernel logos

Issue: #702
jupyter-server · Mar 26, 2022 · 5bcd59e · 5bcd59e
1 parent e0c126f
commit 5bcd59e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/jupyter_server/kernelspecs/handlers.py b/jupyter_server/kernelspecs/handlers.py
@@ -19,6 +19,8 @@ def initialize(self):
     @authorized
     def get(self, kernel_name, path, include_body=True):
         ksm = self.kernel_spec_manager
+        if path.lower().endswith(".png"):
+            self.set_header("Cache-Control", "max-age=1000")
         try:
             self.root = ksm.get_kernel_spec(kernel_name).resource_dir
         except KeyError as e: