diff --git a/check_process b/check_process
index 174f75b..bae967b 100644
--- a/check_process
+++ b/check_process
@@ -18,7 +18,7 @@
 		setup_public=1
 		upgrade=1
 		backup_restore=1
-		multi_instance=0
+		multi_instance=1
 		incorrect_path=0
 		port_already_use=0
 		change_url=0
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 202ed07..064826f 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -66,7 +66,7 @@ location /api/v1/trackfiles/transcode/ {
 	    set $cleaned_args $1$2;
 	}
 	proxy_cache_key "$scheme$request_method$host$uri$is_args$cleaned_args";
-	proxy_cache transcode;
+	proxy_cache __NAME__-transcode;
 	proxy_cache_valid 200 7d;
 	proxy_ignore_headers "Set-Cookie";
 	proxy_hide_header "Set-Cookie";
diff --git a/manifest.json b/manifest.json
index 7de2d34..ef153b1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
 	"id": "funkwhale",
 	"packaging_format": 1,
 	"requirements": {
-		"yunohost": ">= 2.7.12"
+		"yunohost": ">= 3.0.0~beta1.2"
 	},
 	"description": {
 		"en": "A translation platform using Git and Python"
@@ -15,7 +15,7 @@
 		"name": "Jean-Baptiste Holcroft",
 		"email": "jean-baptiste@holcroft.fr"
 	},
-	"multi_instance": false,
+	"multi_instance": true,
 	"services": [
 		"nginx"
 	],
diff --git a/scripts/install b/scripts/install
index cafc534..760e485 100644
--- a/scripts/install
+++ b/scripts/install
@@ -114,7 +114,7 @@ ynh_setup_source "$final_path" "app-frontend"
 # add proxy_cache and connection_upgrade at the beginning of the domain configuration
 echo "
 
-proxy_cache_path /tmp/$app-transcode levels=1:2 keys_zone=transcode:10m max_size=1g inactive=7d;
+proxy_cache_path /tmp/$app-transcode levels=1:2 keys_zone=$app-transcode:10m max_size=1g inactive=7d;
 
 # required for websocket support
 map \$http_upgrade \$connection_upgrade {
diff --git a/scripts/remove b/scripts/remove
index 2410543..07f9c84 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -74,6 +74,9 @@ mv "/etc/nginx/conf.d/$domain.conf.temp" "/etc/nginx/conf.d/$domain.conf"
 # Remove the dedicated nginx config
 ynh_remove_nginx_config
 
+# remove local nginx cache
+ynh_secure_remove "/tmp/$app-transcode"
+
 #=================================================
 # CLOSE A PORT
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8506de9..c91549f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -70,7 +70,22 @@ ynh_setup_source "$final_path" "app-frontend"
 # NGINX CONFIGURATION
 #=================================================
 
-# there is no need to change the global configuration yet
+# change the global configuration
+# remove domain specific configuration
+tail -n +11 "/etc/nginx/conf.d/$domain.conf" > "/etc/nginx/conf.d/$domain.conf.temp"
+mv "/etc/nginx/conf.d/$domain.conf.temp" "/etc/nginx/conf.d/$domain.conf"
+
+# add proxy_cache and connection_upgrade at the beginning of the domain configuration
+echo "
+
+proxy_cache_path /tmp/$app-transcode levels=1:2 keys_zone=$app-transcode:10m max_size=1g inactive=7d;
+
+# required for websocket support
+map \$http_upgrade \$connection_upgrade {
+    default upgrade;
+    ''      close;
+}
+" | cat - "/etc/nginx/conf.d/$domain.conf" > temp && mv temp "/etc/nginx/conf.d/$domain.conf"
 
 # Create a dedicated nginx config
 ynh_add_nginx_config