diff --git a/scripts/backup b/scripts/backup
new file mode 100644
index 0000000..5fd2110
--- /dev/null
+++ b/scripts/backup
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Exit on command errors and treat unset variables as an error
+set -eu
+
+# Get multi-instances specific variables
+app=$YNH_APP_INSTANCE_NAME
+
+# Set app specific variables
+dbname=$app
+dbuser=$app
+
+# Source app helpers
+. /usr/share/yunohost/helpers
+
+# Retrieve app settings
+domain=$(ynh_app_setting_get "$app" domain)
+path=$(ynh_app_setting_get "$app" path)
+dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
+
+# Copy the app files
+DESTDIR="/var/www/$app"
+ynh_backup "$DESTDIR" "sources"
+
+# Copy the conf files
+ynh_backup "/etc/nginx/conf.d/${domain}.d/${app}.conf" "nginx.conf"
+
+# Dump the database
+mysqldump -u "$dbuser" -p"$dbpass" --no-create-db "$dbname" > ./dump.sql