diff --git a/actions.json b/actions.json
deleted file mode 100644
index e506b49..0000000
--- a/actions.json
+++ /dev/null
@@ -1,20 +0,0 @@
-[{
-		"id": "public_private",
-		"name": "Move to public or private",
-		"command": "/bin/bash scripts/actions/public_private",
-		"user": "root",
-		"accepted_return_codes": [0],
-		"description": {
-			"en": "Change the public access of the app."
-		},
-		"arguments": [
-			{
-				"name": "is_public",
-				"type": "boolean",
-				"ask": {
-					"en": "Is it a public app ?"
-				},
-				"default": true
-			}
-		]
-}]
diff --git a/actions.toml b/actions.toml
new file mode 100644
index 0000000..676b926
--- /dev/null
+++ b/actions.toml
@@ -0,0 +1,14 @@
+[public_private]
+name = "Move to public or private"
+command = "/bin/bash scripts/actions/public_private"
+# user = "root"  # optional
+# cwd = "/" # optional
+# accepted_return_codes = [0, 1, 2, 3]  # optional
+accepted_return_codes = [0]
+description = "Change the public access of the app."
+
+    [public_private.arguments]
+        [public_private.arguments.is_public]
+            type = "boolean"
+            ask = "Is it a public app ?"
+            default = true
diff --git a/check_process b/check_process
index 7db9279..98ced26 100644
--- a/check_process
+++ b/check_process
@@ -7,6 +7,16 @@
 		language="fr"
 		market=1
 		is_public=1	(PUBLIC|public=1|private=0)
+    ; Actions
+        is_public=0|1
+    ; Config_panel
+        main.is_public.is_public=0|1
+        main.overwrite_files.overwrite_nginx=0|1
+        main.overwrite_files.overwrite_phpfpm=0|1
+        main.global_config.email_type=0|1
+        main.php_fpm_config.footprint=low|medium|high
+        main.php_fpm_config.free_footprint=20
+        main.php_fpm_config.usage=low|medium|high
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -21,6 +31,8 @@
 		incorrect_path=1
 		port_already_use=0
 		change_url=1
+        actions=1
+        config_panel=1
 ;;; Levels
 	Level 5=auto
 ;;; Options
diff --git a/config_panel.json b/config_panel.json
deleted file mode 100644
index e605e61..0000000
--- a/config_panel.json
+++ /dev/null
@@ -1,75 +0,0 @@
-{
-	"name": "Leed configuration panel",
-	"version": "0.1",
-	"panel": [{
-		"name": "Leed configuration",
-		"id": "main",
-		"sections": [{
-			"name": "Public access",
-			"id": "is_public",
-			"options": [{
-				"name": "Is it a public app ?",
-				"id": "is_public",
-				"type": "bool",
-				"default": true
-			}]
-		},
-		{
-			"name": "Overwriting config files",
-			"id": "overwrite_files",
-			"options": [{
-				"name": "Overwrite the nginx config file ?",
-				"help": "If the file is overwritten, a backup will be created.",
-				"id": "overwrite_nginx",
-				"type": "bool",
-				"default": true
-			},
-			{
-				"name": "Overwrite the php-fpm config file ?",
-				"help": "If the file is overwritten, a backup will be created.",
-				"id": "overwrite_phpfpm",
-				"type": "bool",
-				"default": true
-			}]
-		},
-		{
-			"name": "Global configuration",
-			"id": "global_config",
-			"options": [{
-				"name": "Send HTML email to admin ?",
-				"help": "Allow app scripts to send HTML mails instead of plain text.",
-				"id": "email_type",
-				"type": "bool",
-				"default": true
-			}]
-		},
-		{
-			"name": "PHP-FPM configuration",
-			"id": "php_fpm_config",
-			"options": [{
-				"name": "Memory footprint of the service ?",
-				"help": "low <= 20Mb per pool. medium between 20Mb and 40Mb per pool. high > 40Mb per pool. Use specific to set a value with the following option.\n<br>We can't use a choices field for now. In the meantime please choose between one of this values:\n<br>low, medium, high, specific.",
-				"id": "footprint",
-				"type": "text",
-				"//": "\"choices\" : [\"low\", \"medium\", \"high\", \"specific\"]",
-				"default" : "low"
-			},
-			{
-				"name": "Memory footprint of the service ?",
-				"help": "Free field to specify exactly the footprint in Mb if you don't want to use one of the three previous values.",
-				"id": "free_footprint",
-				"type": "number",
-				"default": 0
-			},
-			{
-				"name": "Expected usage of the service ?",
-				"help": "low: Personal usage, behind the sso. No RAM footprint when not used, but the impact on the processor can be high if many users are using the service.\n<br>medium: Low usage, few people or/and publicly accessible. Low RAM footprint, medium processor footprint when used.\n<br>high: High usage, frequently visited website. High RAM footprint, but lower on processor usage and quickly responding.\n<br>We can't use a choices field for now. In the meantime please choose between one of this values:\n<br>low, medium, high.",
-				"id": "usage",
-				"type": "text",
-				"//": "\"choices\" : [\"low\", \"medium\", \"high\"]",
-				"default" : "low"
-			}]
-		}]
-	}
-]
-}
diff --git a/config_panel.toml b/config_panel.toml
new file mode 100644
index 0000000..575c7a4
--- /dev/null
+++ b/config_panel.toml
@@ -0,0 +1,62 @@
+version = "0.1"
+name = "Leed configuration panel"
+
+[main]
+name = "Leed configuration"
+
+    [main.is_public]
+    name = "Public access"
+
+        [main.is_public.is_public]
+        ask = "Is it a public website ?"
+        type = "boolean"
+        default = true
+        help = "A public Leed will be accessible for third party apps.<br>By turning on 'anonymous readers' in Leed configuration, you can made your feeds public."
+
+
+    [main.overwrite_files]
+    name = "Overwriting config files"
+
+        [main.overwrite_files.overwrite_nginx]
+        ask = "Overwrite the nginx config file ?"
+        type = "boolean"
+        default = true
+        help = "If the file is overwritten, a backup will be created."
+
+        [main.overwrite_files.overwrite_phpfpm]
+        ask = "Overwrite the php-fpm config file ?"
+        type = "boolean"
+        default = true
+        help = "If the file is overwritten, a backup will be created."
+
+
+    [main.global_config]
+    name = "Global configuration"
+
+        [main.global_config.email_type]
+        ask = "Send HTML email to admin ?"
+        type = "boolean"
+        default = true
+        help = "Allow app scripts to send HTML mails instead of plain text."
+
+
+    [main.php_fpm_config]
+    name = "PHP-FPM configuration"
+
+        [main.php_fpm_config.footprint]
+        ask = "Memory footprint of the service ?"
+        choices = ["low", "medium", "high", "specific"]
+        default = "low"
+        help = "low <= 20Mb per pool. medium between 20Mb and 40Mb per pool. high > 40Mb per pool.<br>Use specific to set a value with the following option."
+
+        [main.php_fpm_config.free_footprint]
+        ask = "Memory footprint of the service ?"
+        type = "number"
+        default = "0"
+        help = "Free field to specify exactly the footprint in Mb if you don't want to use one of the three previous values."
+
+        [main.php_fpm_config.usage]
+        ask = "Expected usage of the service ?"
+        choices = ["low", "medium", "high"]
+        default = "low"
+        help = "low: Personal usage, behind the sso. No RAM footprint when not used, but the impact on the processor can be high if many users are using the service.<br>medium: Low usage, few people or/and publicly accessible. Low RAM footprint, medium processor footprint when used.<br>high: High usage, frequently visited website. High RAM footprint, but lower on processor usage and quickly responding."
diff --git a/scripts/actions/public_private b/scripts/actions/public_private
index ebe0cc8..2385e25 100755
--- a/scripts/actions/public_private
+++ b/scripts/actions/public_private
@@ -9,6 +9,13 @@
 source scripts/_common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
diff --git a/scripts/config b/scripts/config
index f0785cc..8e28361 100644
--- a/scripts/config
+++ b/scripts/config
@@ -29,24 +29,19 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 # is_public
 old_is_public="$(ynh_app_setting_get --app=$app --key=is_public)"
-old_is_public=$(bool_to_true_false $old_is_public)
 is_public="${YNH_CONFIG_MAIN_IS_PUBLIC_IS_PUBLIC:-$old_is_public}"
 
-
 # Overwrite nginx configuration
 old_overwrite_nginx="$(ynh_app_setting_get --app=$app --key=overwrite_nginx)"
-old_overwrite_nginx=$(bool_to_true_false $old_overwrite_nginx)
 overwrite_nginx="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX:-$old_overwrite_nginx}"
 
 # Overwrite php-fpm configuration
 old_overwrite_phpfpm="$(ynh_app_setting_get --app=$app --key=overwrite_phpfpm)"
-old_overwrite_phpfpm=$(bool_to_true_false $old_overwrite_phpfpm)
 overwrite_phpfpm="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM:-$old_overwrite_phpfpm}"
 
 
 # Type of admin mail configuration
 old_admin_mail_html="$(ynh_app_setting_get --app=$app --key=admin_mail_html)"
-old_admin_mail_html=$(bool_to_true_false $old_admin_mail_html)
 admin_mail_html="${YNH_CONFIG_MAIN_GLOBAL_CONFIG_EMAIL_TYPE:-$old_admin_mail_html}"
 
 
@@ -60,6 +55,7 @@ if [ "$fpm_footprint" -eq "$fpm_footprint" ] 2> /dev/null
 then
     # If fpm_footprint is an integer, that's a numeric value for the footprint
     old_free_footprint=$fpm_footprint
+    fpm_footprint=specific
 else
     old_free_footprint=0
 fi
@@ -75,18 +71,18 @@ fpm_usage="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_USAGE:-$old_fpm_usage}"
 
 show_config() {
 	# here you are supposed to read some config file/database/other then print the values
-	# echo "YNH_CONFIG_${PANEL_ID}_${SECTION_ID}_${OPTION_ID}=value"
+	# ynh_return "YNH_CONFIG_${PANEL_ID}_${SECTION_ID}_${OPTION_ID}=value"
 
-	echo "YNH_CONFIG_MAIN_IS_PUBLIC_IS_PUBLIC=$is_public"
+	ynh_return "YNH_CONFIG_MAIN_IS_PUBLIC_IS_PUBLIC=$is_public"
 
-	echo "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX=$overwrite_nginx"
-	echo "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM=$overwrite_phpfpm"
+	ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX=$overwrite_nginx"
+	ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM=$overwrite_phpfpm"
 
-	echo "YNH_CONFIG_MAIN_GLOBAL_CONFIG_EMAIL_TYPE=$admin_mail_html"
+	ynh_return "YNH_CONFIG_MAIN_GLOBAL_CONFIG_EMAIL_TYPE=$admin_mail_html"
 
-	echo "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FOOTPRINT=$fpm_footprint"
-	echo "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FREE_FOOTPRINT=$free_footprint"
-	echo "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_USAGE=$fpm_usage"
+	ynh_return "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FOOTPRINT=$fpm_footprint"
+	ynh_return "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FREE_FOOTPRINT=$free_footprint"
+	ynh_return "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_USAGE=$fpm_usage"
 }
 
 #=================================================
@@ -99,23 +95,24 @@ apply_config() {
     # MODIFY PUBLIC ACCESSIBILITY
     #=================================================
 
-	# Change public accessibility
-	if [ "$is_public" = "true" ]
-	then
-		yunohost app action run $app public_private --args is_public=1
-	else
-		yunohost app action run $app public_private --args is_public=0
-	fi
+    # Change public accessibility
+    if [ "$is_public" != "$old_is_public" ]
+    then
+        if [ "$is_public" = "1" ]
+        then
+            yunohost app action run $app public_private --args is_public=1
+        else
+            yunohost app action run $app public_private --args is_public=0
+        fi
+    fi
 
     #=================================================
     # MODIFY OVERWRITTING SETTINGS
     #=================================================
 
 	# Set overwrite_nginx
-	overwrite_nginx=$(bool_to_01 $overwrite_nginx)
 	ynh_app_setting_set --app=$app --key=overwrite_nginx --value="$overwrite_nginx"
 	# Set overwrite_phpfpm
-	overwrite_phpfpm=$(bool_to_01 $overwrite_phpfpm)
 	ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value="$overwrite_phpfpm"
 
     #=================================================
@@ -123,16 +120,26 @@ apply_config() {
     #=================================================
 
 	# Set admin_mail_html
-	admin_mail_html=$(bool_to_01 $admin_mail_html)
 	ynh_app_setting_set --app=$app --key=admin_mail_html --value="$admin_mail_html"
 
     #=================================================
     # RECONFIGURE PHP-FPM
     #=================================================
 
-    if [ "$fpm_usage" != "$old_fpm_usage" ] || [ "$fpm_footprint" != "$old_fpm_footprint" ]
+    if [ "$fpm_usage" != "$old_fpm_usage" ] || [ "$fpm_footprint" != "$old_fpm_footprint" ] || [ "$free_footprint" != "$old_free_footprint" ]
     then
-        ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
+        # If fpm_footprint is set to 'specific', use $free_footprint value.
+        if [ "$fpm_footprint" = "specific" ]
+        then
+            fpm_footprint=$free_footprint
+        fi
+
+        if [ "$fpm_footprint" != "0" ]
+        then
+            ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
+        else
+            ynh_print_err --message="When selecting 'specific', you have to set a footprint value into the field below."
+        fi
     fi
 }
 
diff --git a/scripts/upgrade b/scripts/upgrade
index a19bc6d..ae644c3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -45,53 +45,65 @@ ynh_script_progression --message="Ensuring downward compatibility..."
 
 # If final_path doesn't exist, create it
 if [ -z "$final_path" ]; then
-	final_path=/var/www/$app
-	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+    final_path=/var/www/$app
+    ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 fi
 
 # If db_name doesn't exist, create it
 if [ -z "$db_name" ]; then
-	db_name=$(ynh_sanitize_dbid --db_name=$app)
-	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
+    db_name=$(ynh_sanitize_dbid --db_name=$app)
+    ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 fi
 
 # If is_public doesn't exist, create it
 if [ -z "$is_public" ]; then
-	public_check=$(ynh_app_setting_get --app=$app --key=skipped_uris)
-	# If skipped_uris is empty, that was a public installation.
-	if [ -z "$public_check" ]; then
-		is_public=1
-	else
-		is_public=0
-	fi
-	ynh_app_setting_set --app=$app --key=is_public --value=$is_public
+    public_check=$(ynh_app_setting_get --app=$app --key=skipped_uris)
+    # If skipped_uris is empty, that was a public installation.
+    if [ -z "$public_check" ]; then
+        is_public=1
+    else
+        is_public=0
+    fi
+    ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 else
-	# Fix is_public as a boolean
-	if [ "$is_public" = "Yes" ]; then
-		ynh_app_setting_set --app=$app --key=is_public --value=1
-		is_public=1
-	elif [ "$is_public" = "No" ]; then
-		ynh_app_setting_set --app=$app --key=is_public --value=0
-		is_public=0
-	fi
+    # Fix is_public as a boolean
+    if [ "$is_public" = "Yes" ]; then
+        ynh_app_setting_set --app=$app --key=is_public --value=1
+        is_public=1
+    elif [ "$is_public" = "No" ]; then
+        ynh_app_setting_set --app=$app --key=is_public --value=0
+        is_public=0
+    fi
 fi
 
 # If overwrite_nginx doesn't exist, create it
 if [ -z "$overwrite_nginx" ]; then
-	overwrite_nginx=1
-	ynh_app_setting_set --app=$app --key=overwrite_nginx --value=$overwrite_nginx
+    overwrite_nginx=1
+    ynh_app_setting_set --app=$app --key=overwrite_nginx --value=$overwrite_nginx
 fi
 
 # If overwrite_phpfpm doesn't exist, create it
 if [ -z "$overwrite_phpfpm" ]; then
-	overwrite_phpfpm=1
-	ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=$overwrite_phpfpm
+    overwrite_phpfpm=1
+    ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=$overwrite_phpfpm
 fi
 
 # If admin_mail_html doesn't exist, create it
 if [ -z "$admin_mail_html" ]; then
-	admin_mail_html=1
-	ynh_app_setting_set --app=$app --key=admin_mail_html --value=$admin_mail_html
+    admin_mail_html=1
+    ynh_app_setting_set --app=$app --key=admin_mail_html --value=$admin_mail_html
+fi
+
+# If fpm_footprint doesn't exist, create it
+if [ -z "$fpm_footprint" ]; then
+    fpm_footprint=low
+    ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
+fi
+
+# If fpm_usage doesn't exist, create it
+if [ -z "$fpm_usage" ]; then
+    fpm_usage=low
+    ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
 fi
 
 # If fpm_footprint doesn't exist, create it
@@ -114,8 +126,8 @@ ynh_script_progression --message="Backing up the app before upgrading (may take
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
-	# restore it if the upgrade fails
-	ynh_restore_upgradebackup
+    # restore it if the upgrade fails
+    ynh_restore_upgradebackup
 }
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
@@ -142,9 +154,9 @@ ynh_maintenance_mode_ON
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=3
-	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+    ynh_script_progression --message="Upgrading source files..." --weight=3
+    # Download, check integrity, uncompress and patch the source from app.src
+    ynh_setup_source --dest_dir="$final_path"
 fi
 
 #=================================================
@@ -154,9 +166,9 @@ fi
 # Overwrite the nginx configuration only if it's allowed
 if [ $overwrite_nginx -eq 1 ]
 then
-	ynh_script_progression --message="Upgrading nginx web server configuration..." --weight=2
-	# Create a dedicated nginx config
-	ynh_add_nginx_config
+    ynh_script_progression --message="Upgrading nginx web server configuration..." --weight=2
+    # Create a dedicated nginx config
+    ynh_add_nginx_config
 fi
 
 #=================================================
@@ -174,9 +186,9 @@ ynh_system_user_create --username=$app
 # Overwrite the php-fpm configuration only if it's allowed
 if [ $overwrite_phpfpm -eq 1 ]
 then
-	ynh_script_progression --message="Upgrading php-fpm configuration..." --weight=2
-	# Create a dedicated php-fpm config
-	ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
+    ynh_script_progression --message="Upgrading php-fpm configuration..." --weight=2
+    # Create a dedicated php-fpm config
+    ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 fi
 
 #=================================================
@@ -214,13 +226,13 @@ chown -R $app $final_path/cache $final_path/plugins $final_path/updates
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading Leed with curl..." --weight=4
-	# Set the app as temporarily public for curl call
-	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
-	# Regen SSOwat configuration
-	yunohost app ssowatconf
-	# Start the upgrade procedure of leed.
-	ynh_local_curl "/"
+    ynh_script_progression --message="Upgrading Leed with curl..." --weight=4
+    # Set the app as temporarily public for curl call
+    ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
+    # Regen SSOwat configuration
+    yunohost app ssowatconf
+    # Start the upgrade procedure of leed.
+    ynh_local_curl "/"
 fi
 
 #=================================================
@@ -241,10 +253,10 @@ ynh_script_progression --message="Upgrading SSOwat configuration..."
 # Make app private if necessary
 if [ $is_public -eq 0 ]
 then
-	# Remove the public access
-	ynh_app_setting_delete --app=$app --key=unprotected_uris
-	# Set the action.php script public for the cron task
-	ynh_app_setting_set --app=$app --key=skipped_uris --value="/action.php"
+    # Remove the public access
+    ynh_app_setting_delete --app=$app --key=unprotected_uris
+    # Set the action.php script public for the cron task
+    ynh_app_setting_set --app=$app --key=skipped_uris --value="/action.php"
 fi
 
 #=================================================