diff --git a/manifest.json b/manifest.json
index 1a6af26..6ce469d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -33,7 +33,12 @@
       "type": "path",
       "example": "/ttrss",
       "default": "/ttrss"
-      }
+      },
+    {
+      "name": "is_public",
+      "type": "boolean",
+      "default": true
+    },
     ]
   }
 }
diff --git a/scripts/install b/scripts/install
index 9a207d2..e37f7dc 100644
--- a/scripts/install
+++ b/scripts/install
@@ -44,6 +44,13 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
@@ -91,7 +98,7 @@ ynh_add_nginx_config
 ynh_script_progression --message="Configuring PHP-FPM..." --weight=2
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
@@ -146,9 +153,17 @@ ynh_systemd_action --service_name=$app --action="start"
 #=================================================
 # SETUP SSOWAT
 #=================================================
-# ynh_script_progression --message="Configuring permissions..." --weight=1
+ynh_script_progression --message="Configuring permissions..." --weight=1
 
 # ynh_app_setting_set --app=$app --key=skipped_uris --value="/public.php,/api,/opml.php?op=publish"
+# Make app public if necessary
+
+if [ $is_public -eq 1 ]
+then
+	# Everyone can access the app.
+	# The "main" permission is automatically created before the install script.
+	ynh_permission_update --permission="main" --add="visitors"
+fi
 
 #=================================================
 # RELOAD NGINX