diff --git a/check_process b/check_process
index 8d6c7569..f753394d 100644
--- a/check_process
+++ b/check_process
@@ -7,12 +7,12 @@
 		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
-		setup_private=0
-		setup_public=0
-		upgrade=0
+		setup_private=1
+		setup_public=1
+		upgrade=1
 		backup_restore=1
-		multi_instance=0
-		incorrect_path=0
+		multi_instance=1
+		incorrect_path=1
 		port_already_use=0
 		change_url=0
 ;;; Levels
diff --git a/manifest.json b/manifest.json
index 2dfbb7d8..7731889c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
     "description": {
         "en": "ActivityPub Federated Image Sharing"
     },
-    "version": "0.8.4~ynh2",
+    "version": "0.8.4~ynh3",
     "url": "https://pixelfed.org/",
     "license": "AGPL-3.0-or-later",
     "maintainer": {
@@ -13,9 +13,9 @@
         "email": "jean-baptiste@holcroft.fr"
     },
     "requirements": {
-        "yunohost": ">= 3.0.0"
+        "yunohost": ">= 3.4"
     },
-    "multi_instance": false,
+    "multi_instance": true,
     "services": [
         "nginx"
     ],
diff --git a/scripts/remove b/scripts/remove
index 5784d04e..f8bd8478 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -82,6 +82,14 @@ ynh_print_info "Removing the dedicated system user"
 # Delete a system user
 ynh_system_user_delete "$app"
 
+#=================================================
+# START PHP-FPM 7.0 FPM
+#=================================================
+ynh_print_info "Start php7.0-fpm"
+
+#Sometimes with package_check php7.0-fpm fail to reload and stop. So starting the service, just in case.
+systemctl start php7.0-fpm
+
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 843069f0..ba7bb706 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -99,6 +99,8 @@ ynh_add_nginx_config
 #=================================================
 ynh_print_info "Upgrading dependencies..."
 
+ynh_install_php --phpversion="7.2"
+
 ynh_install_app_dependencies "$pkg_dependencies"
 
 #=================================================
@@ -114,36 +116,51 @@ ynh_system_user_create "$app"
 #=================================================
 ynh_print_info "Upgrading php-fpm configuration..."
 
+#Ugly move waiting 'ynh_add_fpm_config --phpversion='' released
+mv -f "/etc/php/7.2/fpm/pool.d/$app.conf" "/etc/php/7.0/fpm/pool.d/$app.conf"
+sleep 5
+systemctl reload php7.2-fpm
+systemctl reload php7.0-fpm
+
 # Create a dedicated php-fpm config
-ynh_add_fpm_config
+ynh_add_fpm_config --phpversion="7.2"
+
+#Ugly move waiting 'ynh_add_fpm_config --phpversion='' released
+mv -f "/etc/php/7.0/fpm/pool.d/$app.conf" "/etc/php/7.2/fpm/pool.d/$app.conf"
+sleep 5
+systemctl reload php7.0-fpm
+systemctl reload php7.2-fpm
 
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
-# ...
+# INSTALL PHP DEPENDENCIES
 #=================================================
 
-### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
-### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
+chown -R "$app": "$final_path"
+
+ynh_install_composer --workdir="$final_path"
+
+#=================================================
+# DEPLOYMENT
+#=================================================
+
+pushd "$final_path"
+	php7.2 artisan config:clear
+	php7.2 artisan config:cache
+	php7.2 artisan route:clear
+	php7.2 artisan route:cache
+	php7.2 artisan storage:link
+	php7.2 artisan migrate --force
+	php7.2 artisan update
+	php7.2 artisan horizon:purge
+popd
+
+
+
 ynh_backup_if_checksum_is_different "$final_path/CONFIG_FILE"
 # Recalculate and store the checksum of the file for the next upgrade.
-ynh_store_file_checksum "$final_path/CONFIG_FILE"
-
-#=================================================
-# SETUP LOGROTATE
-#=================================================
-ynh_print_info "Upgrading logrotate configuration..."
-
-# Use logrotate to manage app-specific logfile(s)
-ynh_use_logrotate --non-append
-
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_print_info "Upgrading systemd configuration..."
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_store_file_checksum "$final_path/.env"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -152,7 +169,7 @@ ynh_add_systemd_config
 #=================================================
 
 # Set permissions on app files
-chown -R root: "$final_path"
+chown -R "$app": "$final_path"
 
 #=================================================
 # SETUP SSOWAT