diff --git a/mastodon_bot/core.cljs b/mastodon_bot/core.cljs
index 8b9352e..0d5b3f0 100644
--- a/mastodon_bot/core.cljs
+++ b/mastodon_bot/core.cljs
@@ -198,5 +198,29 @@
       (exit-with-error
        (str "failed to connect to Tumblr account " account ": " (.-message e))))))
 
-(defn rss-parser []
-  (rss.))
+(defn main []
+  (get-mastodon-timeline
+   (fn [timeline]
+     (let [last-post-time (-> timeline first :created_at (js/Date.))]
+     ;;post from Twitter
+       (when-let [twitter-config (:twitter config)]
+         (let [{:keys [access-keys accounts include-replies? include-rts?]} twitter-config
+               client (twitter-client access-keys)]
+           (doseq [account accounts]
+             (.get client
+                   "statuses/user_timeline"
+                   #js {:screen_name account
+                        :tweet_mode "extended"
+                        :include_rts (boolean include-rts?)
+                        :exclude_replies (not (boolean include-replies?))}
+                   (post-tweets last-post-time)))))
+     ;;post from Tumblr
+       (when-let [{:keys [access-keys accounts limit]} (:tumblr config)]
+         (doseq [account accounts]
+           (let [client (tumblr-client access-keys account)]
+             (.posts client #js {:limit (or limit 5)} (post-tumblrs last-post-time)))))
+     ;;post from RSS
+       (when-let [feeds (some-> config :rss)]
+         (let [parser (rss.)]
+           (doseq [feed feeds]
+             (parse-feed last-post-time parser feed))))))))
\ No newline at end of file
diff --git a/mastodon_bot/main.cljs b/mastodon_bot/main.cljs
index 4b0b6d2..976c8e2 100644
--- a/mastodon_bot/main.cljs
+++ b/mastodon_bot/main.cljs
@@ -4,28 +4,6 @@
   (:require
    [mastodon-bot.core :as core]))
 
-(core/get-mastodon-timeline
- (fn [timeline]
-   (let [last-post-time (-> timeline first :created_at (js/Date.))]
-     ;;post from Twitter
-     (when-let [twitter-config (:twitter core/config)]
-       (let [{:keys [access-keys accounts include-replies? include-rts?]} twitter-config
-             client (core/twitter-client access-keys)]
-         (doseq [account accounts]
-           (.get client
-                 "statuses/user_timeline"
-                 #js {:screen_name account
-                      :tweet_mode "extended"
-                      :include_rts (boolean include-rts?)
-                      :exclude_replies (not (boolean include-replies?))}
-                 (core/post-tweets last-post-time)))))
-     ;;post from Tumblr
-     (when-let [{:keys [access-keys accounts limit tumblr-oauth]} (:tumblr core/config)]
-       (doseq [account accounts]
-         (let [client (core/tumblr-client access-keys account)]
-           (.posts client #js {:limit (or limit 5)} (core/post-tumblrs last-post-time)))))
-     ;;post from RSS
-     (when-let [feeds (some-> core/config :rss)]
-       (let [parser (core/rss-parser)]
-         (doseq [feed feeds]
-           (core/parse-feed last-post-time parser feed)))))))
+(core/main)
+
+
diff --git a/package.json b/package.json
index 50fa46a..4969228 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,9 @@
     "deasync": "0.1.15",
     "request": "2.88.0"
   },
+  "devDependencies": {
+    "shadow-cljs": "^2.8.37"
+  },
   "scripts": {
     "start": "./mastodon_bot/main.cljs",
     "test": "MASTODON_BOT_CONFIG=test.edn ./mastodon_bot/core_test.cljs"
diff --git a/shadow-cljs.edn b/shadow-cljs.edn
new file mode 100644
index 0000000..793e3b5
--- /dev/null
+++ b/shadow-cljs.edn
@@ -0,0 +1,5 @@
+{:source-paths ["mastodon_bot"]
+ :dependencies []
+ :builds       {:app {:target    :node-script                      
+                      :output-to "target/mastodon-bot.js"
+                      :main      mastodon-bot.core/main}}}