diff --git a/check_process b/check_process
index 3237f00..a94739b 100644
--- a/check_process
+++ b/check_process
@@ -2,11 +2,7 @@
 	; Manifest
 		domain="domain.tld"
 		path="/path"
-		admin="john"
-		language="fr"
 		is_public=1
-		password="1Strong-Password"
-		port="666"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -15,7 +11,7 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		upgrade=1	from_commit=CommitHash
+		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
 		change_url=1
diff --git a/conf/systemd.service b/conf/systemd.service
index 6daac59..1e18351 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,7 +8,7 @@ Type=simple
 User=__APP__
 Group=__APP__
 WorkingDirectory=__FINALPATH__/
-ExecStart=__FINALPATH__/__APP__ serve --port __PORT__ --db-type mysql --db-dsn __DB_USER__:__DB_PWD__@(localhost)/__DB_NAME__?charset=utf8&parseTime=True&loc=Local
+ExecStart=__FINALPATH__/shiori serve --port __PORT__
 Environment="SHIORI_DIR=__DATADIR__"
 StandardOutput=append:/var/log/__APP__/__APP__.log
 StandardError=inherit
diff --git a/manifest.json b/manifest.json
index 7f8910c..64716ab 100644
--- a/manifest.json
+++ b/manifest.json
@@ -18,8 +18,8 @@
     },
     "license": "MIT",
     "maintainer": {
-        "name": "John doe",
-        "email": "john.doe@example.com"
+        "name": "",
+        "email": ""
     },
     "requirements": {
         "yunohost": ">= 4.3.0"
diff --git a/scripts/backup b/scripts/backup
index 49717ef..7e77bde 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -71,13 +71,6 @@ ynh_backup --src_path="/etc/logrotate.d/$app"
 
 ynh_backup --src_path="/etc/systemd/system/$app.service"
 
-#=================================================
-# BACKUP THE MYSQL DATABASE
-#=================================================
-ynh_print_info --message="Backing up the MySQL database..."
-
-ynh_mysql_dump_db --database="$db_name" > db.sql
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index f5bfd03..b286df6 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -24,7 +24,7 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
@@ -32,7 +32,7 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --time --weight=1
+ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
@@ -67,14 +67,14 @@ fi
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..." --time --weight=1
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --time --weight=1
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
 nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
 
@@ -105,14 +105,14 @@ fi
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=1
+ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --time --weight=1
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -120,4 +120,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app" --time --last
+ynh_script_progression --message="Change of URL completed for $app" --last
diff --git a/scripts/install b/scripts/install
index af3e6a2..1579cc3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -117,16 +117,6 @@ chmod 750 "$datadir"
 chmod -R o-rwx "$datadir"
 chown -R $app:www-data "$datadir"
 
-#=================================================
-# ADD A CONFIGURATION
-#=================================================
-# ynh_script_progression --message="Adding a configuration file..." --time --weight=1
-
-# ynh_add_config --template="some_config_file" --destination="$final_path/some_config_file"
-
-# chmod 400 "$final_path/some_config_file"
-# chown $app:$app "$final_path/some_config_file"
-
 #=================================================
 # SETUP SYSTEMD
 #=================================================
@@ -171,8 +161,6 @@ then
 	ynh_permission_update --permission="main" --add="visitors"
 fi
 
-ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --auth_header="false" --show_tile="false" --protected="true"
-
 #=================================================
 # RELOAD NGINX
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index c4cb93c..cd668e6 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -21,6 +21,7 @@ port=$(ynh_app_setting_get --app=$app --key=port)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # STANDARD REMOVE
@@ -51,14 +52,6 @@ ynh_script_progression --message="Removing logrotate configuration..." --weight=
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# REMOVE THE MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Removing the MySQL database..." --weight=1
-
-# Remove a database if it exists, along with the associated user
-ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
-
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
@@ -75,6 +68,17 @@ ynh_script_progression --message="Removing app main directory..." --weight=1
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
 
+#=================================================
+# REMOVE DATA DIR
+#=================================================
+
+# Remove the data directory if --purge option is used
+if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
+then
+	ynh_script_progression --message="Removing app data directory..." --weight=1
+	ynh_secure_remove --file="$datadir"
+fi
+
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index e9c0bba..728f717 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -73,6 +73,7 @@ fi
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
+chmod +x "$final_path/shiori"
 
 #=================================================
 # NGINX CONFIGURATION