map $http_upgrade $connection_upgrade { default upgrade; '' close; } upstream websocket { server environment-9-3.seec.svc.cluster.local:8080; } server { listen 80 default_server; listen [::]:80 default_server; root /var/www/html/dist; location ~ /ws { proxy_pass http://websocket; proxy_read_timeout 3h; proxy_send_timeout 3h; 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_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; } location ~ / { if ($request_uri ~* (api)) { proxy_pass http://environment-9-3.seec.svc.cluster.local:8080; } try_files $uri $uri/ /index.html; } }