server {
  listen 443 ssl http2;
}


location /index.html {
  http2_push /css/styles.css;
  http2_push /js/scripts.js;
}


log_format http2 '$time_iso8601 $msec$status $connection $http2 "$request"';


location /index.html {
  http2_push /css/styles.css;
  http2_push /js/scripts.js;
  http2_push /<next-page>.html;
}


location /proxy/ {
  proxy_pass http://applicationserver/;
  http2_push_preload
 on;
}


link: </css/styles.css>; rel=preload; as=style