nginx.conf

server {
    listen 7860 default_server;

    root /var/www/html;

    index index.html;

    server_name _;

    location / {
        try_files $uri $uri/ =404;
    }

    chunked_transfer_encoding off;
    proxy_buffering off;
    proxy_cache off;

    location /v1 {
        if ($http_x_api_key = "API_TOKEN") {
            proxy_pass http://localhost:8444;
        }
        proxy_set_header Connection '';
        proxy_http_version 1.1;
    }
}