diff --git a/check_process b/check_process
index c431696..ec68e6c 100644
--- a/check_process
+++ b/check_process
@@ -3,6 +3,8 @@
 		domain="domain.tld"
 		path="/path"
 		is_public=1
+		admin="john"
+		password="1Strong-Password"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -17,7 +19,7 @@
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
-		change_url=0
+		change_url=1
 ;;; Options
 Email=
 Notification=none
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index bc45156..e69de29 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,4 +0,0 @@
-## Configuration
-
-1. The app will require to complete the registration process after the instllation is complete by visiting the domain on which Galette is installed.
-1. The Postgresql database credentials will be sent to the admin mail. Fill these details while doing the registration process.
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
index 4d95474..e69de29 100644
--- a/doc/DISCLAIMER_fr.md
+++ b/doc/DISCLAIMER_fr.md
@@ -1,4 +0,0 @@
-## Configuration
-
-1. Une fois l'installation terminée, l'application devra terminer le processus d'enregistrement en **visitant le domaine** sur lequel Galette est installé.
-1. Les informations d'identification de la base de données Postgresql seront envoyées à **l'email admin**. Remplissez ces détails lors du processus d'inscription.
diff --git a/manifest.json b/manifest.json
index 40ac092..638ebbc 100644
--- a/manifest.json
+++ b/manifest.json
@@ -46,8 +46,20 @@
                 "help": {
                     "en": "If enabled, Galette will be accessible by people who do not have an account. This can be changed later via the webadmin.",
                     "fr": "Si cette case est cochée, Galette sera accessible aux personnes n’ayant pas de compte. Vous pourrez changer ceci plus tard via la webadmin."
-            },
+                },
                 "default": true
+            },
+            {
+                "name": "admin",
+                "type": "user"
+            },
+            {
+                "name": "password",
+                "type": "password",
+                "help": {
+                    "en": "Use the help field to add an information for the admin about this question.",
+                    "fr": "Utilisez le champ aide pour ajouter une information à l'intention de l'administrateur à propos de cette question."
+                }
             }
         ]
     }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 501397f..111f5ee 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -17,55 +17,6 @@ pkg_dependencies="postgresql php${YNH_PHP_VERSION}-tidy php${YNH_PHP_VERSION}-in
 # EXPERIMENTAL HELPERS
 #=================================================
 
-# Send an email to inform the administrator
-#
-# usage: ynh_send_readme_to_admin app_message [recipients]
-# | arg: app_message - The message to send to the administrator.
-# | arg: recipients - The recipients of this email. Use spaces to separate multiples recipients. - default: root
-#	example: "root admin@domain"
-#	If you give the name of a YunoHost user, ynh_send_readme_to_admin will find its email adress for you
-#	example: "root admin@domain user1 user2"
-ynh_send_readme_to_admin() {
-	local app_message="${1:-...No specific information...}"
-	local recipients="${2:-root}"
-
-	# Retrieve the email of users
-	find_mails () {
-		local list_mails="$1"
-		local mail
-		local recipients=" "
-		# Read each mail in argument
-		for mail in $list_mails
-		do
-			# Keep root or a real email address as it is
-			if [ "$mail" = "root" ] || echo "$mail" | grep --quiet "@"
-			then
-				recipients="$recipients $mail"
-			else
-				# But replace an user name without a domain after by its email
-				if mail=$(ynh_user_get_info "$mail" "mail" 2> /dev/null)
-				then
-					recipients="$recipients $mail"
-				fi
-			fi
-		done
-		echo "$recipients"
-	}
-	recipients=$(find_mails "$recipients")
-
-	local mail_subject="☁️🆈🅽🅷☁️: \`$app\` was just installed!"
-
-	local mail_message="This is an automated message from your beloved YunoHost server.
-Specific information for the application $app.
-$app_message
----
-Automatic diagnosis data from YunoHost
-$(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
-
-	# Send the email to the recipients
-	echo "$mail_message" | mail -a "Content-Type: text/plain; charset=UTF-8" -s "$mail_subject" "$recipients"
-}
-
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..d49f7fb
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,121 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..."
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+# Add settings here as needed by your application
+#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+#db_user=$db_name
+#db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
+
+#=================================================
+# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..."
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	ynh_clean_check_starting
+	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
+	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+
+	# Restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_script_progression --message="Updating NGINX web server configuration..."
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the NGINX config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original NGINX config file if modified
+	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
+	# Set global variables for NGINX helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated NGINX config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for NGINX
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum --file="$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# ...
+#=================================================
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..."
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index 08517a1..8bd239f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -23,6 +23,8 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
+admin=$YNH_APP_ARG_ADMIN
+password=$YNH_APP_ARG_PASSWORD
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -117,6 +119,29 @@ ynh_add_config --template="../conf/config.inc.php.dist" --destination="$final_pa
 chmod 400 "$final_path/galette/config/config.inc.php"
 chown $app:$app "$final_path/galette/config/config.inc.php"
 
+#=================================================
+# SETUP APPLICATION WITH CURL
+#=================================================
+ynh_script_progression --message="Setuping application with CURL..."
+
+# Set the app as temporarily public for curl call
+ynh_script_progression --message="Configuring SSOwat..."
+# Making the app public for curl
+ynh_permission_update --permission="main" --add="visitors"
+
+# Installation with curl
+ynh_script_progression --message="Finalizing installation..."
+ynh_local_curl "/installer.php" "install_permsok=1"
+ynh_local_curl "/installer.php"  "install_type=i"
+ynh_local_curl "/installer.php"  "install_dbtype=pgsql" "install_dbhost=localhost" "install_dbport=5432" "install_dbuser=$db_user" "install_dbpass=$db_pwd" "install_dbname=$db_name" "install_dbprefix=galette_"
+ynh_local_curl "/installer.php"  "install_dbperms_ok=1"
+ynh_local_curl "/installer.php"  "install_dbwrite_ok=1"
+ynh_local_curl "/installer.php"  "install_adminlogin=$admin" "install_adminpass=$password" "install_adminpass_verif=$password"
+ynh_local_curl "/installer.php"  "install_prefs_ok=1"
+
+# Remove the public access
+ynh_permission_update --permission="main" --remove="visitors"
+
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
@@ -160,30 +185,6 @@ ynh_script_progression --message="Reloading NGINX web server..." --weight=2
 
 ynh_systemd_action --service_name=nginx --action=reload
 
-#=================================================
-# SEND A README FOR THE ADMIN
-#=================================================
-
-message="Galette need you to finish the installation manually.
-
-Please open "https://$domain/$path_url/installer.php" and finish the install process.
-
-Database information you'll need:
-Type:		pgsql
-Host:		localhost
-Port:		5432
-User:		"$db_user"
-Password:	"$db_pwd"
-Name:		"$db_name"
-
-Important! Once done, please remember to run as root or with sudo:
-Restrict the rights of the config file \`chmod -R 500 "$final_path/galette/config"\`
-\`Remove the install file "$final_path/galette/install"\`
-
-If you facing an issue or want to improve this app, please open a new issue in this project: https://github.com/YunoHost-Apps/galette_ynh"
-
-ynh_send_readme_to_admin "$message"
-
 #=================================================
 # END OF SCRIPT
 #=================================================