diff --git a/conf/nginx.conf b/conf/nginx.conf
index b38620f..93aee15 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -20,8 +20,9 @@ http {
             # rewrite ^ /posts/ last; # loads "/posts/"
             # rewrite ^ /posts/ break; # loads "/posts/index.html"
             rewrite_by_lua_block {
+                local flag = { ["break"] = false };
                 -- equivalent to `rewrite ^ /posts/ break;`
-                ngx.req.set_uri("/posts/", false)
+                ngx.req.set_uri("/posts/", flag["break"])
             }
         }
 
@@ -32,11 +33,20 @@ http {
         }
 
         location /posts/ {
-            content_by_lua_block {
-                require "routes":dispatch()
-                -- ngx.req.set_uri("/posts/2023-08-03-recursively-list-all-files-in-a-directory-with-elixir.html")
-                -- ngx.req.set_uri(ngx.var.uri, false)
-                -- ngx.req.set_uri("/posts/index.html", false)
+            rewrite_by_lua_block {
+                local uri = ngx.re.sub(ngx.var.uri, "^/posts/(.*)", "$1", "o")
+                -- ngx.req.set_uri(uri)
+                local ext = string.match(uri, "[%w%-%_]+$")
+
+                ngx.say("request path " .. uri)
+
+                if ext == uri then
+                    ngx.say("no extension")
+                else
+                    ngx.say("extension " .. ext)
+                end
+
+                ngx.say(ngx.var.uri)
             }
 
             # rewrite ^ /posts/2023-08-03-recursively-list-all-files-in-a-directory-with-elixir.html break;