diff --git a/DESIGN.md b/DESIGN.md
index 2c355c6..c7edf97 100644
--- a/DESIGN.md
+++ b/DESIGN.md
@@ -39,3 +39,4 @@ up/downscaling, no multiple versions routed by header.
 
 * caddy for proxy? It's simple, fast, API-configurable.
 * Local docker registry for images? See https://www.docker.com/blog/how-to-use-your-own-registry-2/
+* Maybe grip for crystal template? Maybe kemal?
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