diff --git a/scripts/backup b/scripts/backup
index 90f0a37..8b1beaf 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -13,6 +13,10 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
+ynh_clean_setup () {
+	### Remove this function if there's nothing to clean before calling the remove script.
+	true
+}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
@@ -24,6 +28,7 @@ app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get $app final_path)
 domain=$(ynh_app_setting_get $app domain)
+db_name=$(ynh_app_setting_get $app db_name)
 
 #=================================================
 # STANDARD BACKUP STEPS
@@ -39,5 +44,5 @@ ynh_backup "/etc/systemd/system/$app.service"
 # BACKUP OF MONGODB
 #=================================================
 
-mongodump --db "$app" -o "./dump"
+mongodump --db "$db_name" -o "./dump"
 
diff --git a/scripts/install b/scripts/install
index c242500..9b804b2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -101,6 +101,32 @@ ynh_install_nodejs 8.9.3
 ynh_print_info "Installing mongodb dependencies ..."
 ynh_install_app_dependencies "mongodb mongodb-server"
 
+#=================================================
+# Start MONGODB
+#=================================================
+
+# Start mogodb
+ynh_print_info "Starting mongodb ..."
+systemctl enable mongodb
+systemctl restart mongodb
+
+#=================================================
+# CREATE A MONGODB DATABASE
+#=================================================
+
+### Use these lines if you need a database for the application.
+### `ynh_mysql_setup_db` will create a database, an associated user and a ramdom password.
+### The password will be stored as 'mysqlpwd' into the app settings,
+### and will be available as $db_pwd
+### If you're not using these lines:
+###		- Remove the section "BACKUP THE MYSQL DATABASE" in the backup script
+###		- Remove also the section "REMOVE THE MYSQL DATABASE" in the remove script
+###		- As well as the section "RESTORE THE MYSQL DATABASE" in the restore script
+
+db_name=$(ynh_sanitize_dbid $app)
+ynh_app_setting_set $app db_name $db_name
+#ynh_mysql_setup_db $db_name $db_name
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -145,15 +171,6 @@ pushd $final_path/programs/server
     npm install
 popd
 
-#=================================================
-# Start MONGODB
-#=================================================
-
-# Start mogodb
-ynh_print_info "Starting mongodb ..."
-systemctl enable mongodb
-systemctl restart mongodb
-
 #=================================================
 # SETUP SYSTEMD
 #=================================================
@@ -172,7 +189,7 @@ systemctl restart mongodb
 ynh_print_info "Adding wekan systemd service ..."
 ynh_replace_string "__NODEJS__"   "$nodejs_use_version" "../conf/systemd.service"
 ynh_replace_string "__ENV_PATH__" "$PATH"               "../conf/systemd.service"
-ynh_replace_string "__DB_NAME__"  "$app"                "../conf/systemd.service"
+ynh_replace_string "__DB_NAME__"  "$db_name"                "../conf/systemd.service"
 ynh_replace_string "__URI__"      "$path_url"          "../conf/systemd.service"
 ynh_replace_string "__PORT__"     "$port"               "../conf/systemd.service"
 ynh_replace_string "__DOMAIN__"   "$domain"             "../conf/systemd.service"
diff --git a/scripts/remove b/scripts/remove
index a5cea32..76aacd2 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -15,6 +15,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 readonly app=$YNH_APP_INSTANCE_NAME
 readonly domain=$(ynh_app_setting_get "$app" domain)
+db_name=$(ynh_app_setting_get $app db_name)
 readonly final_path=$(ynh_app_setting_get "$app" final_path)
 
 #=================================================
@@ -38,7 +39,7 @@ fi
 #=================================================
 # REMOVE DB
 #=================================================
-mongo $app --eval "db.dropDatabase()"
+mongo $db_name --eval "db.dropDatabase()"
 
 #=================================================
 # REMOVE DEPENDENCIES
diff --git a/scripts/restore b/scripts/restore
index c5f84f4..ce81066 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -28,6 +28,7 @@ domain=$(ynh_app_setting_get $app domain)
 path_url=$(ynh_app_setting_get $app path)
 is_public=$(ynh_app_setting_get $app is_public)
 final_path=$(ynh_app_setting_get $app final_path)
+db_name=$(ynh_app_setting_get $app db_name)
 port=$(ynh_app_setting_get $app final_path)
 
 #=================================================
@@ -66,7 +67,7 @@ ynh_install_app_dependencies "mongodb mongodb-server"
 # Start mogodb
 systemctl enable mongodb
 systemctl start mongodb
-mongorestore --db $app ./dump/$app
+mongorestore --db $db_name ./dump/$app
 
 #=================================================
 # SPECIFIC SETUP
diff --git a/scripts/upgrade b/scripts/upgrade
index c4f992c..1faefa2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,8 +20,16 @@ domain=$(ynh_app_setting_get $app domain)
 path_url=$(ynh_app_setting_get $app path)
 is_public=$(ynh_app_setting_get $app is_public)
 final_path=$(ynh_app_setting_get $app final_path)
+db_name=$(ynh_app_setting_get $app db_name)
 port=$(ynh_app_setting_get $app port)
 
+if [ -z "$db_name" ]
+then
+    db_name=$app
+    ynh_app_setting_set "$app" db_name "$db_name"
+fi
+
+
 #=================================================
 # Check version
 #=================================================
@@ -55,7 +63,7 @@ if ynh_version_gt "0.77-2" "${previous_version}" ; then
     # Create a dedicated systemd config
     ynh_replace_string "__NODEJS__"   "$nodejs_use_version" "../conf/systemd.service"
     ynh_replace_string "__ENV_PATH__" "$PATH"               "../conf/systemd.service"
-    ynh_replace_string "__DB_NAME__"  "$app"                "../conf/systemd.service"
+    ynh_replace_string "__DB_NAME__"  "$db_name"                "../conf/systemd.service"
     ynh_replace_string "__URI__"      "$path_url/"          "../conf/systemd.service"
     ynh_replace_string "__PORT__"     "$port"               "../conf/systemd.service"
     ynh_replace_string "__DOMAIN__"   "$domain"             "../conf/systemd.service"
@@ -76,7 +84,7 @@ if ynh_version_gt "1.07~ynh2" "${previous_version}" ; then
    nodejs_use_version="$n_install_dir/bin/n -q $nodejs_version"
    ynh_replace_string "__NODEJS__"   "$nodejs_use_version" "../conf/systemd.service"
    ynh_replace_string "__ENV_PATH__" "$PATH"               "../conf/systemd.service"
-   ynh_replace_string "__DB_NAME__"  "$app"                "../conf/systemd.service"
+   ynh_replace_string "__DB_NAME__"  "$db_name"                "../conf/systemd.service"
    ynh_replace_string "__URI__"      "$path_url/"          "../conf/systemd.service"
    ynh_replace_string "__PORT__"     "$port"               "../conf/systemd.service"
    ynh_replace_string "__DOMAIN__"   "$domain"             "../conf/systemd.service"