diff --git a/check_process b/check_process
index f176d51..9252357 100644
--- a/check_process
+++ b/check_process
@@ -1,15 +1,10 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
-		domain="domain.tld"	(DOMAIN)
-		path="/path"	    (PATH)
-		admin="john"	    (USER)
-		language="fr"	    (LANGUAGE)
-		is_public=1	        (PUBLIC|public=1|private=0)
+		domain="domain.tld"
+		path="/path"
+		admin="john"
+		language="fr"
+		is_public=1
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=0
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 8cb9e61..42927cc 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -8,8 +8,10 @@ location / {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
-  index index.php;
+  more_set_headers "X-Content-Type-Options: nosniff";
   
+  index index.php;
+
   try_files $uri __PATH__/index.php;
   
   location ~ [^/]\.php(/|$) {
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..d87cd4c
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,9 @@
+## Configuration
+
+ Default login
+ 	* user:     **admin**  
+ 	* password: **admin**
+ 
+## Limitations
+
+:warning: For now, Grocy must be installed in a root domain or subdirectory.
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
new file mode 100644
index 0000000..4837ba4
--- /dev/null
+++ b/doc/DISCLAIMER_fr.md
@@ -0,0 +1,9 @@
+## Configuration
+
+Connexion par défaut
+  * utilisateur : **admin**
+  * mot de passe : **admin**
+
+## Limitations
+
+:warning: Pour l'instant, Grocy doit être installé dans un domaine racine ou un sous-domaine.
diff --git a/doc/screenshots/stock-en.png b/doc/screenshots/stock-en.png
new file mode 100644
index 0000000..c7d18ed
Binary files /dev/null and b/doc/screenshots/stock-en.png differ
diff --git a/manifest.json b/manifest.json
index f5745fc..bdacf8b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,14 +7,20 @@
         "fr": "Solution Web de gestion d'épicerie et de gestion de la maison"
     },
     "version": "3.0.1~ynh2",
-    "url": "https://github.com/grocy/grocy",
+    "url": "https://grocy.info",
+    "upstream": {
+        "license": "MIT",
+        "website": "https://grocy.info/",
+        "demo": "https://en.demo.grocy.info/stockoverview",
+        "code": "https://github.com/grocy/grocy"
+    },
     "license": "MIT",
     "maintainer": {
         "name": "",
         "email": ""
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/install b/scripts/install
index 367a871..6a7513d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -47,6 +47,14 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=language --value=$language
 
+#=================================================
+# 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"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -56,6 +64,10 @@ 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
 #=================================================
@@ -64,14 +76,6 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=10
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..." --weight=1
-
-# Create a system user
-ynh_system_user_create --username=$app
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -87,11 +91,8 @@ phpversion=$(ynh_app_setting_get --app="$app" --key=phpversion)
 
 ynh_add_config --template="../conf/config-dist.php" --destination="$final_path/data/config.php"
 
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-
-ynh_store_file_checksum --file="$final_path/data/config.php"
+chmod 400 "$final_path/data/config.php"
+chown $app "$final_path/data/config.php"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -100,9 +101,9 @@ ynh_store_file_checksum --file="$final_path/data/config.php"
 #=================================================
 
 # Set permissions to app files
-chown -R $app: $final_path
-chmod o-rwx $final_path
-chmod -R 755 $final_path/data
+# chown -R $app: $final_path
+# chmod o-rwx $final_path
+# chmod -R 755 $final_path/data
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index 425d5f4..75d5681 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -46,6 +46,14 @@ test ! -d $final_path \
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
@@ -53,13 +61,9 @@ ynh_script_progression --message="Restoring $app main directory..." --weight=5
 
 ynh_restore_file --origin_path="$final_path"
 
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
-
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
@@ -75,10 +79,10 @@ ynh_add_fpm_config --package="$extra_php_dependencies"
 # RESTORE USER RIGHTS
 #=================================================
 
-# Restore permissions on app files
-chown -R $app: $final_path
-chmod o-rwx $final_path
-chmod -R 755 $final_path/data
+# # Restore permissions on app files
+# chown -R $app: $final_path
+# chmod o-rwx $final_path
+# chmod -R 755 $final_path/data
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index b802671..b993ea9 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -87,6 +87,10 @@ then
 		#ynh_secure_remove --file="$tmpdir"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -117,14 +121,17 @@ ynh_add_fpm_config --package="$extra_php_dependencies"
 
 ynh_add_config --template="../conf/config-dist.php" --destination="$final_path/data/config.php"
 
+chmod 400 "$final_path/data/config.php"
+chown $app "$final_path/data/config.php"
+
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
 
 # Set permissions to app files
-chown -R $app: $final_path
-chmod o-rwx $final_path
-chmod -R 755 $final_path/data
+# chown -R $app: $final_path
+# chmod o-rwx $final_path
+# chmod -R 755 $final_path/data
 
 #=================================================
 # RELOAD NGINX