diff --git a/actions.json b/actions.json
deleted file mode 100644
index e283eca..0000000
--- a/actions.json
+++ /dev/null
@@ -1,24 +0,0 @@
-[
-    {
-        "id": "web_account",
-        "name": "External users",
-        "command": "/bin/bash scripts/actions/web_account",
-        "user": "root",
-        "accepted_return_codes": [
-            0
-        ],
-        "description": {
-            "en": "Allow user to be created without yunohost account."
-        },
-        "arguments": [
-            {
-                "name": "use_web_account",
-                "type": "boolean",
-                "ask": {
-                    "en": "Authorized external user creation ?"
-                },
-                "default": true
-            }
-        ]
-    }
-]
\ No newline at end of file
diff --git a/config_panel.json b/config_panel.json
deleted file mode 100644
index 9366c54..0000000
--- a/config_panel.json
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-    "name": "GitLab configuration panel",
-    "version": "0.1",
-    "panel": [
-        {
-            "name": "GitLab configuration",
-            "id": "main",
-            "sections": [
-                {
-                    "name": "Overwriting config files",
-                    "id": "overwrite_files",
-                    "options": [
-                        {
-                            "name": "overwrite_nginx",
-                            "ask": {
-                                "en": "Overwrite the nginx config file ?"
-                            },
-                            "help": "If the file is overwritten, a backup will be created.",
-                            "type": "boolean",
-                            "default": true
-                        }
-                    ]
-                },
-                {
-                    "name": "External users",
-                    "id": "users",
-                    "options": [
-                        {
-                            "name": "use_web_account",
-                            "ask": {
-                                "en": "Authorized external user creation ?"
-                            },
-                            "help": "Allow user to be created without yunohost account.",
-                            "type": "boolean",
-                            "default": true
-                        }
-                    ]
-                }
-            ]
-        }
-    ]
-}
\ No newline at end of file
diff --git a/config_panel.toml b/config_panel.toml
new file mode 100644
index 0000000..c44664d
--- /dev/null
+++ b/config_panel.toml
@@ -0,0 +1,19 @@
+version = "1.0"
+
+[main]
+name = "GitLab configuration"
+
+    [main.overwrite_files]
+    name = "Overwriting config files"
+
+        [main.overwrite_files.overwrite_nginx]
+        ask = "Overwrite the nginx config file ?"
+        type = "boolean"
+        help = "If the file is overwritten, a backup will be created."
+
+    [main.users]
+    name = "External users"
+    
+        [main.users.use_web_account]
+        ask = "Authorized external user creation ?"
+        type = "boolean"
\ No newline at end of file
diff --git a/scripts/actions/web_account b/scripts/actions/web_account
deleted file mode 100644
index 4f6111a..0000000
--- a/scripts/actions/web_account
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/bash
-
-#=================================================
-# GENERIC STARTING
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
-source scripts/_common.sh
-source /usr/share/yunohost/helpers
-
-#=================================================
-# RETRIEVE ARGUMENTS
-#=================================================
-
-# Get use_web_account
-use_web_account=${YNH_ACTION_USE_WEB_ACCOUNT}
-
-app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
-
-#=================================================
-# CHECK IF ARGUMENTS ARE CORRECT
-#=================================================
-
-#=================================================
-# CHECK IF AN ACTION HAS TO BE DONE
-#=================================================
-
-use_web_account_old=$(ynh_app_setting_get --app=$app --key=use_web_account)
-
-if [ $use_web_account -eq $use_web_account_old ]
-then
-	ynh_die "use_web_account is already set as $use_web_account." 0
-fi
-
-#=================================================
-# SPECIFIC ACTION
-#=================================================
-# SET USER CREATION POLICY
-#=================================================
-if [ $use_web_account -eq 0 ]; then
-	web_account="Enable"
-else
-	web_account="Disable"
-fi
-ynh_script_progression --message=--message="$web_account web user creation..." --weight=13
-
-echo "ApplicationSetting.last.update_attributes(password_authentication_enabled_for_web: $use_web_account, signup_enabled: $use_web_account)" | gitlab-rails console
-
-# Update the config of the app
-ynh_app_setting_set --app=$app --key=use_web_account --value=$use_web_account
-
-#=================================================
-# END OF SCRIPT
-#=================================================
-
-ynh_script_progression --message="Execution completed" --last
\ No newline at end of file
diff --git a/scripts/config b/scripts/config
index 277cb57..6e70251 100644
--- a/scripts/config
+++ b/scripts/config
@@ -6,65 +6,33 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-source _common.sh
 source /usr/share/yunohost/helpers
 
+ynh_abort_if_errors
+
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
 
-app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
-
-
 #=================================================
-# LOAD VALUES
+# SPECIFIC GETTERS FOR TOML SHORT KEY
 #=================================================
 
-# Load the real value from the app config or elsewhere.
-# Then get the value from the form.
-# If the form has a value for a variable, take the value from the form,
-# Otherwise, keep the value from the app config.
-
-# Overwrite nginx configuration
-old_overwrite_nginx="$(ynh_app_setting_get --app=$app --key=overwrite_nginx)"
-overwrite_nginx="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX:-$old_overwrite_nginx}"
-
-# use_web_account
-old_use_web_account="$(ynh_app_setting_get --app=$app --key=use_web_account)"
-use_web_account="${YNH_CONFIG_MAIN_USERS_USE_WEB_ACCOUNT:-$old_use_web_account}"
-
 #=================================================
-# SHOW_CONFIG FUNCTION FOR 'SHOW' COMMAND
+# SPECIFIC SETTERS FOR TOML SHORT KEYS
 #=================================================
 
-show_config() {
-	# here you are supposed to read some config file/database/other then print the values
-	# echo "YNH_CONFIG_${PANEL_ID}_${SECTION_ID}_${OPTION_ID}=value"
+set__use_web_account() {
+    if [ -n "${use_web_account}" ]
+    then
+        echo "ApplicationSetting.last.update(password_authentication_enabled_for_web: $use_web_account, signup_enabled: $use_web_account)" | gitlab-rails console
 
-	ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX=$overwrite_nginx"
-
-	ynh_return "YNH_CONFIG_MAIN_USERS_USE_WEB_ACCOUNT=$use_web_account"
-}
-
-#=================================================
-# MODIFY THE CONFIGURATION
-#=================================================
-
-apply_config() {
-	# Change use_web_account
-	yunohost app action run $app web_account --args use_web_account=$use_web_account
-
-	# Set overwrite_nginx
-	ynh_app_setting_set --app=$app --key=overwrite_nginx --value="$overwrite_nginx"
+        # Update the config of the app
+        ynh_app_setting_set --app=$app --key=use_web_account --value=$use_web_account
+    fi
 }
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
-# SELECT THE ACTION FOLLOWING THE GIVEN ARGUMENT
-#=================================================
-
-case $1 in
-  show) show_config;;
-  apply) apply_config;;
-esac
\ No newline at end of file
+ynh_app_config_run $1
\ No newline at end of file