Use redis as a cache store

slices/main/actions/posts/index.rb

@@ -4,7 +4,10 @@ module Main
       class Index < Action
         include Deps["views.posts.index"]
         def handle(req, res)
-          res.render index, query: req.params[:q]
+          res.body = cache(key: "posts_index", 
+                           params: [req.params[:q]], 
+                           content_proc: ->(q) { res.render index, query: q }) 
+          res.status = 200
         end
       end
     end