server {
    listen      80;
    server_name mydomain.com;
 	root путь_к_веб_морде;
	index index.html;
    access_log  /var/log/nginx/wildfly.access.log;
    error_log   /var/log/nginx/wildfly.error.log;
 	location / {
	}
    proxy_buffers 16 64k;
    proxy_buffer_size 128k;

location /api/ {
        proxy_pass  http://wildfly/api/;
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
        proxy_redirect off;

        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 https;
    }

}