diff --git a/publisher/src/net/deertopia/publisher/server.clj b/publisher/src/net/deertopia/publisher/server.clj
index 5a19777..01904f6 100644
--- a/publisher/src/net/deertopia/publisher/server.clj
+++ b/publisher/src/net/deertopia/publisher/server.clj
@@ -7,8 +7,15 @@
             [org.httpkit.server :as http]
             [reitit.coercion]
             [reitit.coercion.spec]
+            [reitit.ring.coercion]
+            [reitit.core :as r]
             [reitit.ring]
-            [ring.util.response :as response]))
+            [reitit.ring.middleware.exception]
+            [ring.util.response :as response]
+            [spec-tools.spell]
+            [reitit.spec]
+            [reitit.dev.pretty]
+            [clojure.spec.alpha :as s]))
 
 
 ;;; Routes
@@ -29,7 +36,20 @@
       (response/content-type "text/html")))
 
 (defn node-by-slug [req]
-  (hello req))
+  (-> (hiccup/html {}
+        [:html
+         [:head
+          [:title "node-by-slug"]
+          doerg-html/charset
+          doerg-html/viewport]
+         [:body
+          [:h1 "node by slug"]
+          [:pre
+           (with-out-str
+             (pprint (:parameters req)))]]])
+      str
+      response/response
+      (response/content-type "text/html")))
 
 (defn node-by-id [req]
   (hello req))
@@ -37,11 +57,22 @@
 (def router
   (reitit.ring/router
    #{["/" {:get hello}]
-     ["/n/:slug" {:get node-by-slug
-                  #_#_#_#_:coercion reitit.coercion.spec/coercion
-                  :parameters {:path {:slug ::slug/slug}}}]
+     ["/n/:slug" {:get
+                  {:handler node-by-slug
+                   :parameters
+                   {:path {:slug (st/spec {:spec ::slug/slug})}}}}]
      ["/id/:id" {:get node-by-id}]}
-   #_{:compile reitit.coercion/compile-request-coercers}))
+   {:validate reitit.spec/validate
+    :exception reitit.dev.pretty/exception
+    :spec (s/merge :reitit.spec/default-data)
+    #_#_
+    :reitit.spec/wrap spec-tools.spell/closed
+    #_#_:compile reitit.coercion/compile-request-coercers
+    :data
+    {:coercion reitit.coercion.spec/coercion
+     :middleware [reitit.ring.middleware.exception/exception-middleware
+                  reitit.ring.coercion/coerce-request-middleware
+                  reitit.ring.coercion/coerce-response-middleware]}}))
 
 (defn match-by-path-and-coerce! [path]
   (if-let [match (r/match-by-path router path)]
diff --git a/publisher/src/net/deertopia/publisher/slug.clj b/publisher/src/net/deertopia/publisher/slug.clj
index d5d2a11..a727e39 100644
--- a/publisher/src/net/deertopia/publisher/slug.clj
+++ b/publisher/src/net/deertopia/publisher/slug.clj
@@ -60,7 +60,6 @@
           "invalid slug")
   (->Slug string))
 
-(defn slug? [s]
-  (some? (from-string s)))
-
-(s/def ::slug slug?)
+(s/def ::slug
+  (s/conformer #(or (some-> % from-string)
+                    ::s/invalid)))