diff --git a/.codeclimate.yml b/.codeclimate.yml
index 4ade345150..a29c0f42f3 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -65,32 +65,29 @@ exclude_patterns:
   - var/cache/
   - var/log/
   - config/
-  - app/SymfonyRequirements.php
-  - app/Migrations/
-  - app/Resources/
-  - main/admin/db.php
-  - main/admin/ldap_synchro.php
-  - main/chat/emoji_strategy.php
-  - main/document/Wami.swf
-  - main/fonts/
-  - main/inc/ajax/Wami.swf
-  - main/inc/lib/browser/
-  - main/inc/lib/internationalization_database/
-  - main/inc/lib/javascript/
-  - main/inc/lib/kses-0.2.2/
-  - main/inc/lib/mimetex/
-  - main/inc/lib/nanogong/
-  - main/inc/lib/nusoap/
-  - main/inc/lib/opengraph/*
-  - main/inc/lib/ppt2png/
-  - main/inc/lib/pear/
-  - main/inc/lib/svg-edit/
-  - main/inc/lib/swfobject/
-  - main/inc/lib/wami-recorder/
-  - main/inc/lib/xajax/
-  - main/lp/packaging/
-  - main/template/
-  - main/lang/
+  - public/main/admin/db.php
+  - public/main/admin/ldap_synchro.php
+  - public/main/chat/emoji_strategy.php
+  - public/main/document/Wami.swf
+  - public/main/fonts/
+  - public/main/inc/ajax/Wami.swf
+  - public/main/inc/lib/browser/
+  - public/main/inc/lib/internationalization_database/
+  - public/main/inc/lib/javascript/
+  - public/main/inc/lib/kses-0.2.2/
+  - public/main/inc/lib/mimetex/
+  - public/main/inc/lib/nanogong/
+  - public/main/inc/lib/nusoap/
+  - public/main/inc/lib/opengraph/*
+  - public/main/inc/lib/ppt2png/
+  - public/main/inc/lib/pear/
+  - public/main/inc/lib/svg-edit/
+  - public/main/inc/lib/swfobject/
+  - public/main/inc/lib/wami-recorder/
+  - public/main/inc/lib/xajax/
+  - public/main/lp/packaging/
+  - public/main/template/
+  - public/main/lang/
   - public/libs/
   - public/img/
   - plugin/buycourses/src/Culqi/
diff --git a/.env b/.env
index dd3cc37341..b7595fc0ab 100644
--- a/.env
+++ b/.env
@@ -32,10 +32,6 @@ APP_ENCRYPT_METHOD='{{APP_ENCRYPT_METHOD}}'
 
 APP_LOCALE='en'
 
-## Example: '/chamilo2'
-
-APP_URL_APPEND='{{APP_URL_APPEND}}'
-
 APP_MULTIPLE_ACCESS_URL=''
 
 ###< chamilo ###
diff --git a/config/packages/assets.yaml b/config/packages/assets.yaml
index d117811b65..7c9d2ea6d4 100644
--- a/config/packages/assets.yaml
+++ b/config/packages/assets.yaml
@@ -1,4 +1,4 @@
 framework:
     assets:
         json_manifest_path: '%kernel.project_dir%/public/build/manifest.json'
-        base_path: '../../../../%env(APP_URL_APPEND)%/public/'
+        base_path: '../../../../public/'
diff --git a/config/packages/fos_js_routing.yaml b/config/packages/fos_js_routing.yaml
index 7a57d54c08..689345e4cc 100644
--- a/config/packages/fos_js_routing.yaml
+++ b/config/packages/fos_js_routing.yaml
@@ -1,2 +1,2 @@
 fos_js_routing:
-    request_context_base_url: '%env(APP_URL_APPEND)%'
+    request_context_base_url: '/'
diff --git a/config/services.yaml b/config/services.yaml
index 0996c37dcb..4ffe1471e4 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -4,7 +4,6 @@ parameters:
     password_encryption: '%env(APP_ENCRYPT_METHOD)%'
     secret: '%env(APP_SECRET)%'
     locale: '%env(APP_LOCALE)%'
-    url_append: '%env(APP_URL_APPEND)%'
     installed: '%env(APP_INSTALLED)%'
     twig:
         form:
@@ -16,10 +15,10 @@ parameters:
     mailer_user: admin@example.com
     mailer_password: null
     course_info_is_not_editable: false
-    sonata_media.cdn.host: '%env(APP_URL_APPEND)%/public/resource'
+    sonata_media.cdn.host: '/var/upload/media/'
     sonata_page.varnish.command: 'if [ ! -r "/etc/varnish/secret" ]; then echo "VALID ERROR :/"; else varnishadm -S /etc/varnish/secret -T 127.0.0.1:6082 {{ COMMAND }} "{{ EXPRESSION }}"; fi;'
-    router.request_context.base_url: '%env(APP_URL_APPEND)%'
-    asset.request_context.base_path: '%env(APP_URL_APPEND)%'
+#    router.request_context.base_url: '%env(APP_URL_APPEND)%'
+#    asset.request_context.base_path: '%env(APP_URL_APPEND)%'
 
     glide_config:
         source: 'oneup_flysystem.resources_filesystem'
diff --git a/src/CoreBundle/Framework/Container.php b/src/CoreBundle/Framework/Container.php
index da96e1293a..ecda985220 100644
--- a/src/CoreBundle/Framework/Container.php
+++ b/src/CoreBundle/Framework/Container.php
@@ -137,14 +137,6 @@ class Container
         return str_replace('\\', '/', realpath(__DIR__.'/../../../')).'/';
     }
 
-    /**
-     * @return string
-     */
-    public static function getUrlAppend()
-    {
-        return self::$container->get('kernel')->getUrlAppend();
-    }
-
     /**
      * @return string
      */
diff --git a/src/CoreBundle/Menu/NavBuilder.php b/src/CoreBundle/Menu/NavBuilder.php
index a081c5f55c..27aa5a925b 100644
--- a/src/CoreBundle/Menu/NavBuilder.php
+++ b/src/CoreBundle/Menu/NavBuilder.php
@@ -329,11 +329,7 @@ class NavBuilder implements ContainerAwareInterface
 
         // Needed when loading legacy pages (inside main)
         $isLegacy = $container->get('request_stack')->getCurrentRequest()->get('load_legacy');
-        $urlAppend = $container->getParameter('url_append');
         $legacyIndex = '';
-        if ($isLegacy) {
-            $legacyIndex = $urlAppend.'/public';
-        }
 
         if ($site) {
             $pageManager = $container->get('sonata.page.manager.page');
diff --git a/src/Kernel.php b/src/Kernel.php
index 88af6c9669..c122af21cc 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -106,14 +106,6 @@ class Kernel extends BaseKernel
         return !empty($this->getContainer()->getParameter('installed'));
     }
 
-    /**
-     * @return string
-     */
-    public function getUrlAppend()
-    {
-        return $this->getContainer()->getParameter('url_append');
-    }
-
     protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
     {
         $container->addResource(new FileResource($this->getProjectDir().'/config/bundles.php'));