diff --git a/scripts/config b/scripts/config
new file mode 100644
index 0000000..fef8388
--- /dev/null
+++ b/scripts/config
@@ -0,0 +1,174 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+app=$YNH_APP_INSTANCE_NAME
+
+fpm_config_dir=$(ynh_app_setting_get --app=$app --key=fpm_config_dir)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+#=================================================
+# SPECIFIC CODE
+#=================================================
+# LOAD VALUES
+#=================================================
+
+# Load the real value from the app config or elsewhere.
+# Then get the value from the form.
+# If the form has a value for a variable, take the value from the form,
+# Otherwise, keep the value from the app config.
+
+# Overwrite setupVars.conf file
+old_overwrite_setupvars="$(ynh_app_setting_get --app=$app --key=overwrite_setupvars)"
+overwrite_setupvars="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_SETUPVARS:-$old_overwrite_setupvars}"
+
+# Overwrite pihole-FTL.conf file
+old_overwrite_ftl="$(ynh_app_setting_get --app=$app --key=overwrite_ftl)"
+overwrite_ftl="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_FTL:-$old_overwrite_ftl}"
+
+# Overwrite nginx configuration
+old_overwrite_nginx="$(ynh_app_setting_get --app=$app --key=overwrite_nginx)"
+overwrite_nginx="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX:-$old_overwrite_nginx}"
+
+# Overwrite php-fpm configuration
+old_overwrite_phpfpm="$(ynh_app_setting_get --app=$app --key=overwrite_phpfpm)"
+overwrite_phpfpm="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM:-$old_overwrite_phpfpm}"
+
+
+# Type of admin mail configuration
+old_admin_mail_html="$(ynh_app_setting_get --app=$app --key=admin_mail_html)"
+admin_mail_html="${YNH_CONFIG_MAIN_GLOBAL_CONFIG_EMAIL_TYPE:-$old_admin_mail_html}"
+
+
+# Footprint for php-fpm
+old_fpm_footprint="$(ynh_app_setting_get --app=$app --key=fpm_footprint)"
+fpm_footprint="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FOOTPRINT:-$old_fpm_footprint}"
+
+# Free footprint value for php-fpm
+# Check if fpm_footprint is an integer
+if [ "$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
+free_footprint="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FREE_FOOTPRINT:-$old_free_footprint}"
+
+# Usage for php-fpm
+old_fpm_usage="$(ynh_app_setting_get --app=$app --key=fpm_usage)"
+fpm_usage="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_USAGE:-$old_fpm_usage}"
+
+# php_forced_max_children for php-fpm
+old_php_forced_max_children="$(ynh_app_setting_get --app=$app --key=php_forced_max_children)"
+# If php_forced_max_children isn't into settings.yml, get the current value from the fpm config
+if [ -z "$old_php_forced_max_children" ]; then
+    old_php_forced_max_children="$(grep "^pm.max_children" "$fpm_config_dir/pool.d/$app.conf" | awk '{print $3}')"
+fi
+php_forced_max_children="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FORCE_MAX_CHILDREN:-$old_php_forced_max_children}"
+
+#=================================================
+# SHOW_CONFIG FUNCTION FOR 'SHOW' COMMAND
+#=================================================
+
+show_config() {
+    # here you are supposed to read some config file/database/other then print the values
+    # ynh_return "YNH_CONFIG_${PANEL_ID}_${SECTION_ID}_${OPTION_ID}=value"
+
+    ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_SETUPVARS=$overwrite_setupvars"
+    ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_FTL=$overwrite_ftl"
+    ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX=$overwrite_nginx"
+    ynh_return "YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM=$overwrite_phpfpm"
+
+    ynh_return "YNH_CONFIG_MAIN_GLOBAL_CONFIG_EMAIL_TYPE=$admin_mail_html"
+
+    ynh_return "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FOOTPRINT=$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"
+    ynh_return "YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FORCE_MAX_CHILDREN=$php_forced_max_children"
+}
+
+#=================================================
+# MODIFY THE CONFIGURATION
+#=================================================
+
+apply_config() {
+
+    #=================================================
+    # MODIFY OVERWRITTING SETTINGS
+    #=================================================
+
+    # Set overwrite_setupvars
+    ynh_app_setting_set --app=$app --key=overwrite_setupvars --value="$overwrite_setupvars"
+    # Set overwrite_ftl
+    ynh_app_setting_set --app=$app --key=overwrite_ftl --value="$overwrite_ftl"
+    # Set overwrite_nginx
+    ynh_app_setting_set --app=$app --key=overwrite_nginx --value="$overwrite_nginx"
+    # Set overwrite_phpfpm
+    ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value="$overwrite_phpfpm"
+
+    #=================================================
+    # MODIFY EMAIL SETTING
+    #=================================================
+
+    # Set admin_mail_html
+    ynh_app_setting_set --app=$app --key=admin_mail_html --value="$admin_mail_html"
+
+    #=================================================
+    # RECONFIGURE PHP-FPM
+    #=================================================
+
+    if [ "$fpm_usage" != "$old_fpm_usage" ] || \
+        [ "$fpm_footprint" != "$old_fpm_footprint" ] || \
+        [ "$free_footprint" != "$old_free_footprint" ] || \
+        [ "$php_forced_max_children" != "$old_php_forced_max_children" ]
+    then
+        # If fpm_footprint is set to 'specific', use $free_footprint value.
+        if [ "$fpm_footprint" = "specific" ]
+        then
+            fpm_footprint=$free_footprint
+        fi
+
+        if [ "$php_forced_max_children" != "$old_php_forced_max_children" ]
+        then
+            # Set php_forced_max_children
+            if [ $php_forced_max_children -ne 0 ]
+            then
+                ynh_app_setting_set --app=$app --key=php_forced_max_children --value="$php_forced_max_children"
+            else
+                # If the value is set to 0, remove the setting
+                ynh_app_setting_delete --app=$app --key=php_forced_max_children
+            fi
+        fi
+
+        if [ "$fpm_footprint" != "0" ]
+        then
+            ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --dedicated_service
+        else
+            ynh_print_err --message="When selecting 'specific', you have to set a footprint value into the field below."
+        fi
+    fi
+}
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SELECT THE ACTION FOLLOWING THE GIVEN ARGUMENT
+#=================================================
+
+case $1 in
+    show) show_config;;
+    apply) apply_config;;
+esac