Configuring Nginx for WebSocket and Long Polling - Atmosphere/atmosphere GitHub Wiki
map $http_upgrade $connection_upgrade {
default Upgrade;
'' close;
}
location /chat {
proxy_pass https://192.168.67.100:8443/chatapi;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_buffering off;
proxy_ignore_client_abort off;
break;
}