location /ws/ { proxy_pass http://127.0.0.1:$SIGNER_PORT/; proxy_set_header Sec-WebSocket-Key $http_sec_websocket_key; proxy_set_header Sec-WebSocket-Version $http_sec_websocket_version; proxy_set_header Sec-WebSocket-Protocol $http_sec_websocket_protocol; proxy_set_header Sec-WebSocket-Extensions $http_sec_websocket_extensions; 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; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_read_timeout 86400; }