diff --git a/frontend/gulpfile.js b/frontend/gulpfile.js
index 04aa654a0..968fe3717 100644
--- a/frontend/gulpfile.js
+++ b/frontend/gulpfile.js
@@ -100,6 +100,16 @@ function readLocales() {
   return JSON.stringify(result);
 }
 
+function readConfig() {
+  const apiUrl = process.env.UXBOX_API_URL;
+  const demoWarn = process.env.UXBOX_DEMO_WARNING;
+
+  return JSON.stringify({
+    apiUrl: (apiUrl === undefined ? "http://localhost:6060" : apiUrl.trim()),
+    demoWarning: demoWarn === "true",
+  });
+}
+
 function templatePipeline(options) {
   return function() {
     const input = options.input;
@@ -108,11 +118,13 @@ function templatePipeline(options) {
 
     const locales = readLocales();
     const icons = readSvgSprite();
+    const config = readConfig();
 
     const tmpl = mustache({
       ts: ts,
       ic: icons,
-      tr: JSON.stringify(locales),
+      config: JSON.stringify(config),
+      translations: JSON.stringify(locales),
     });
 
     return gulp.src(input)
diff --git a/frontend/resources/templates/index.mustache b/frontend/resources/templates/index.mustache
index 7c2a08582..88c30382e 100644
--- a/frontend/resources/templates/index.mustache
+++ b/frontend/resources/templates/index.mustache
@@ -14,8 +14,12 @@
     <section id="loader"></section>
     <section id="modal"></section>
 
+    <script>
+      window.uxboxConfig = JSON.parse({{& config }});
+      window.uxboxTranslations = JSON.parse({{& translations }});
+    </script>
     <script src="js/cljs_base.js?ts={{& ts}}"></script>
     <script src="js/main.js?ts={{& ts}}"></script>
-    <script>uxbox.main.init({{& tr }})</script>
+    <script>uxbox.main.init()</script>
   </body>
 </html>
diff --git a/frontend/src/uxbox/config.cljs b/frontend/src/uxbox/config.cljs
index c3d6ea5b0..9080abfdb 100644
--- a/frontend/src/uxbox/config.cljs
+++ b/frontend/src/uxbox/config.cljs
@@ -2,10 +2,15 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
-;; Copyright (c) 2016 Andrey Antukh <niwi@niwi.nz>
+;; This Source Code Form is "Incompatible With Secondary Licenses", as
+;; defined by the Mozilla Public License, v. 2.0.
+;;
+;; Copyright (c) 2016-2020 Andrey Antukh <niwi@niwi.nz>
 
-(ns uxbox.config)
+(ns uxbox.config
+  (:require [goog.object :as gobj]))
 
-(goog-define url "")
-(goog-define demo-warning false)
-(goog-define default-language "en")
+(let [config (gobj/get goog.global "uxboxConfig")]
+  (def default-language "en")
+  (def url (gobj/get config "apiUrl" "http://localhost:6060/"))
+  (def demo-warning (gobj/get config "demoWarning" true)))
diff --git a/frontend/src/uxbox/main.cljs b/frontend/src/uxbox/main.cljs
index 47bfd8ead..50a39dc87 100644
--- a/frontend/src/uxbox/main.cljs
+++ b/frontend/src/uxbox/main.cljs
@@ -11,6 +11,7 @@
   (:require
    [cljs.spec.alpha :as s]
    [beicon.core :as rx]
+   [goog.object :as gobj]
    [rumext.alpha :as mf]
    [uxbox.main.data.auth :refer [logout]]
    [uxbox.main.data.users :as udu]
@@ -66,11 +67,12 @@
 (def app-sym (.for js/Symbol "uxbox.app"))
 
 (defn ^:export init
-  [translations]
-  (i18n/init! (js/JSON.parse translations))
-  (unchecked-set js/window app-sym "main")
-  (st/init)
-  (init-ui))
+  []
+  (let [translations (gobj/get goog.global "uxboxTranslations")]
+    (i18n/init! translations)
+    (unchecked-set js/window app-sym "main")
+    (st/init)
+    (init-ui)))
 
 (defn reinit
   []
diff --git a/frontend/src/uxbox/main/data/workspace.cljs b/frontend/src/uxbox/main/data/workspace.cljs
index 6caaafde3..ead4a6401 100644
--- a/frontend/src/uxbox/main/data/workspace.cljs
+++ b/frontend/src/uxbox/main/data/workspace.cljs
@@ -2,6 +2,9 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
+;; This Source Code Form is "Incompatible With Secondary Licenses", as
+;; defined by the Mozilla Public License, v. 2.0.
+;;
 ;; Copyright (c) 2015-2019 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.main.data.workspace
diff --git a/frontend/tools.clj b/frontend/tools.clj
index fc95e1eca..57c437747 100644
--- a/frontend/tools.clj
+++ b/frontend/tools.clj
@@ -28,20 +28,11 @@
 
 ;; --- Generic Build Options
 
-(def closure-defines
-  (let [url       (some-> (:uxbox-api-url env)
-                          (str/trim))
-        demo-warn (some-> (:uxbox-demo-warning env)
-                          (str/trim))]
-    {'uxbox.config.url (if (nil? url) "http://localhost:6060"  url)
-     'uxbox.config.demo-warning (= "true" demo-warn)}))
-
 (def default-build-options
   {:cache-analysis true
    :parallel-build true
    :language-in  :ecmascript6
    :language-out :ecmascript5
-   :closure-defines closure-defines
    :anon-fn-naming-policy :mapped
    :optimizations :none
    :infer-externs true