diff --git a/conf/nginx.conf b/conf/nginx.conf
index 1589b56..8cce351 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,13 +1,34 @@
+# https://pydio.com/en/docs/kb/deployment/running-cells-behind-nginx-reverse-proxy
+
+# Allow any size file to be uploaded
+client_max_body_size 0;
+# Disable buffering
+proxy_buffering off;
+
 location / {
   proxy_pass https://127.0.0.1:__PORT__;
 
+  # Uncomment this to enable gRPC and thus be able to use cells-sync
+  if ($http_content_type = "application/grpc") {
+    grpc_pass grpcs://127.0.0.1:__PORT_GRPC__;
+  }
+
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }
 
+# Enable the websocket
 location /ws/ {
-    proxy_pass https://127.0.0.1:__PORT__;
-    proxy_http_version 1.1;
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection "Upgrade";
+  proxy_pass https://127.0.0.1:__PORT__;
+  proxy_http_version 1.1;
+  proxy_set_header Upgrade $http_upgrade;
+  proxy_set_header Connection "Upgrade";
 }
+
+# Necessary to use Collabora (online edition of office documents)
+location /cool/ {
+  proxy_pass https://localhost:__PORT__;
+  proxy_http_version 1.1;
+  proxy_set_header Upgrade $http_upgrade;
+  proxy_set_header Connection "Upgrade";
+}
\ No newline at end of file