# servers can be uncommented to add load balancing
upstream tetratto {
    least_conn;
    server localhost:4118;
    # server localhost:5118;
}

server {
    listen 80 default_server;
    listen [::]:80 default_server;

    server_name tetratto;

    # main service stuff
    location / {
        proxy_pass http://tetratto;
        proxy_pass_header CF-Connecting-IP;
        proxy_pass_request_headers on;
    }

    # websocket forwarding stuff
    location ~ /_connect/ {
        proxy_pass http://tetratto;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}