diff --git a/check_process b/check_process
index c63dad9..b998615 100644
--- a/check_process
+++ b/check_process
@@ -13,7 +13,7 @@
 		upgrade=1
 		# upgrade=1	from_commit=CommitHash
 		backup_restore=1
-		multi_instance=1
+		multi_instance=0
 		change_url=0
 ;;; Options
 Email=
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 6b738ce..32ad407 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,28 +1,25 @@
 #sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
 location __PATH__/ {
 
-  # Path to source
-  alias __FINALPATH__/;
+  proxy_pass http://127.0.0.1:__PORT__;
+  proxy_set_header Host $host;
+  proxy_set_header X-Real-IP $remote_addr;
+  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+  proxy_set_header X-Forwarded-Proto https;
+  proxy_http_version 1.1;
+  proxy_redirect off;
 
-### Example PHP configuration (remove it if not used)
-  index index.php;
-
-  # Common parameter to increase upload size limit in conjunction with dedicated php-fpm file
-  #client_max_body_size 50M;
-
-  try_files $uri $uri/ index.php;
-  location ~ [^/]\.php(/|$) {
-    fastcgi_split_path_info ^(.+?\.php)(/.*)$;
-    fastcgi_pass unix:/var/run/php/php__PHPVERSION__-fpm-__NAME__.sock;
-
-    fastcgi_index index.php;
-    include fastcgi_params;
-    fastcgi_param REMOTE_USER $remote_user;
-    fastcgi_param PATH_INFO $fastcgi_path_info;
-    fastcgi_param SCRIPT_FILENAME $request_filename;
-  }
-### End of PHP configuration part
+  # For WebSocket
+  proxy_set_header Upgrade $http_upgrade;
+  proxy_set_header Connection $connection_upgrade;
 
+  # Cache settings
+  # proxy_cache cache1;
+  proxy_cache_lock on;
+  proxy_cache_use_stale updating;
+  more_set_headers "X-Cache: $upstream_cache_status";
+  # Change to upload limit
+  client_max_body_size 80m;
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/conf/systemd.service b/conf/systemd.service
index d0badc8..2b708ad 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=Calckey: A greatly enhanced fork of Misskey with better UI/UX, security, features, and more!
+Description=Calckey: fork of Misskey
 After=network.target
 
 [Service]
diff --git a/manifest.json b/manifest.json
index 99e63b9..21c0482 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
     "id": "calckey",
     "packaging_format": 1,
     "description": {
-        "en": "A greatly enhanced fork of Misskey with better UI/UX, security, features, and more!",
-        "fr": "Un fork de Misskey grandement amélioré avec une meilleure interface utilisateur/UX, la sécurité, les fonctionnalités, et plus encore !"
+        "en": "Fork of Misskey with better UI/UX, security, features",
+        "fr": "Un fork de Misskey avec une meilleure interface utilisateur, la sécurité, les fonctionnalités"
     },
     "version": "13.0.5~ynh1",
     "url": "https://i.calckey.cloud/",
@@ -21,7 +21,7 @@
     "requirements": {
         "yunohost": ">= 11.0.0"
     },
-    "multi_instance": true,
+    "multi_instance": false,
     "services": [
         "nginx"
     ],
diff --git a/scripts/_common.sh b/scripts/_common.sh
index f5aeb98..ffeb039 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,10 +6,10 @@
 # PHP APP SPECIFIC
 #=================================================
 
-NODEJS_VERSION="16.15.0"
+NODEJS_VERSION="19"
 
 # dependencies used by the app
-pkg_dependencies="ffmpeg postgresql"
+pkg_dependencies="ffmpeg postgresql build-essential"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 32c0531..18c864e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -71,7 +71,9 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 ynh_script_progression --message="Installing dependencies..." --weight=3
 
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
+
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
+
 ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
 #=================================================
@@ -132,8 +134,13 @@ ynh_script_progression --message="Building app..." --weight=15
 
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production yarn build
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run init
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run clean-all
+	corepack enable
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn set version berry
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn plugin import workspace-tools
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run rebuild
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run migrate
 popd
 
 #=================================================
@@ -141,6 +148,7 @@ popd
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
+env_path="$PATH"
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
diff --git a/scripts/upgrade b/scripts/upgrade
index dce88f2..33926a3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -137,10 +137,9 @@ ynh_script_progression --message="Building app..."
 
 pushd "$final_path"
     ynh_use_nodejs
-    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cleanall
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production yarn build
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn migrate
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run rebuild
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run migrate
 popd
 
 #=================================================