diff --git a/check_process b/check_process
index c67cc15..2a03357 100644
--- a/check_process
+++ b/check_process
@@ -1,12 +1,8 @@
-# See here for more informations
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-
 ;; Test complet
 	; Manifest
-		domain="domain.tld"	(DOMAIN)
-		path="/"	(PATH)
-		is_public=1	(PUBLIC|public=1|private=0)
+		domain="domain.tld"
+		path="/"
+		is_public=1
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=0
@@ -17,12 +13,7 @@
 		upgrade=1
 		backup_restore=1
 		multi_instance=1
-		incorrect_path=1
-		port_already_use=1
 		change_url=0
-;;; Levels
-# Level 5: 
-	Level 5=auto
 ;;; Options
 Email=
 Notification=none
diff --git a/conf/facette.yaml b/conf/facette.yaml
index a2fe3d0..c7a9295 100644
--- a/conf/facette.yaml
+++ b/conf/facette.yaml
@@ -50,8 +50,8 @@ storage:
   debug: false
 
   ### SQLite
-  driver: sqlite
-  path: var/data.db
+  #driver: sqlite
+  #path: var/data.db
 
   ### PostgreSQL
   #driver: pgsql
@@ -62,12 +62,12 @@ storage:
   #password: ********
 
   ### MySQL
-  #driver: mysql
-  #host: localhost
-  #port: 3306
-  #dbname: facette
-  #user: facette
-  #password: ********
+  driver: mysql
+  host: localhost
+  port: 3306
+  dbname: __DB_NAME__
+  user: __DB_NAME__
+  password: __DB_PWD__
 
 cache:
   # Cache directory path
diff --git a/manifest.json b/manifest.json
index 267c24e..912249b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": "jrafi59_dev@srvmaison.fr.nf"
     },
     "requirements": {
-        "yunohost": ">= 4.0.0"
+        "yunohost": ">= 4.2.0"
     },
     "multi_instance": false,
     "services": [
@@ -26,29 +26,17 @@
             {
                 "name": "domain",
                 "type": "domain",
-                "ask": {
-                    "en": "Choose a domain name for Facette",
-                    "fr": "Choisissez un nom de domaine pour Facette"
-                },
                 "example": "example.com"
             },
             {
                 "name": "path",
                 "type": "path",
-                "ask": {
-                    "en": "Choose a path for Facette only / is accepted",
-                    "fr": "Choisissez un chemin pour Facette uniquement / est accepté"
-                },
                 "example": "/",
                 "default": "/"
             },
             {
                 "name": "is_public",
                 "type": "boolean",
-                "ask": {
-                    "en": "Is it a public application?",
-                    "fr": "Est-ce une application publique ?"
-                },
                 "default": true
             }
         ]
diff --git a/scripts/install b/scripts/install
index 0cf17b1..038b643 100755
--- a/scripts/install
+++ b/scripts/install
@@ -36,22 +36,20 @@ test ! -e "$final_path" || ynh_die --message="This path already contains a folde
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 
-
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
 ynh_script_progression --message="Storing installation settings..." --weight=2
 
-ynh_app_setting_set --app=$app --key=domain    --value=$domain
-ynh_app_setting_set --app=$app --key=path      --value=$path_url
-ynh_app_setting_set --app=$app --key=is_public --value=$is_public
+ynh_app_setting_set --app=$app --key=domain --value=$domain
+ynh_app_setting_set --app=$app --key=path --value=$path_url
 
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
-ynh_script_progression --message="Configuring firewall..." --weight=0
+ynh_script_progression --message="Finding an available port..." --weight=0
 
 # Find an available port
 port=$(ynh_find_port --port=12003)
@@ -64,6 +62,24 @@ ynh_script_progression --message="Installing dependencies..." --weight=9
 
 ynh_install_app_dependencies $pkg_dependencies
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
+#=================================================
+# CREATE A MYSQL DATABASE
+#=================================================
+ynh_script_progression --message="Creating a MySQL database..." --weight=1
+
+db_name=$(ynh_sanitize_dbid --db_name=$app)
+db_user=$db_name
+ynh_app_setting_set --app=$app --key=db_name --value=$db_name
+ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -74,6 +90,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir=$final_path
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -81,27 +101,12 @@ ynh_setup_source --dest_dir=$final_path
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-
-# Create a system user
-ynh_system_user_create $app
-
 #=================================================
 # SPECIFIC SETUP
 #=================================================
+
 chown facette: /var/run/rrdcached
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R root: $final_path
-
 #=================================================
 # SETUP LOGROTATE
 #=================================================