server { listen 80; listen [::]:80; server_name __DOMAIN_PUBLIC__; location / { proxy_pass http://localhost:__PORT_PUBLIC__; proxy_http_version 1.1; 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 $scheme; # WebSocket support (Blazor Server SignalR circuits + WASM interop) proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $http_connection; } }