Got gray answer and loading animation

[jan]

Sounds like an issue with Server-Sent Events. Please check the following nginx configuration and add missing ones to make them work correctly:

Nginx configuration

To summarize a config that works on nginx for those who need while waiting for the doc nano /etc/nginx/sites-available/cloud.example.com server { listen 443 ssl; listen [::]:443 ssl; } server_name cloud.example.com; location / { proxy_pass http://localhost:5678; proxy_set_header Connection ''; proxy_http_version 1.1; chunked_transfer_encoding off; proxy_buffering off; proxy_cache off; } ... If not done before: ln -s /etc/nginx/sites-available/cloud.example.com …