NGINX zero downtime reloads

nginx/ng/files/nginx.service

@@ -7,7 +7,7 @@ Type=forking
 PIDFile=/run/nginx.pid
 ExecStartPre=/usr/sbin/nginx -t
 ExecStart=/usr/sbin/nginx
-ExecReload=/bin/kill -s HUP $MAINPID
+ExecReload=/usr/sbin/nginx -s reload
 ExecStop=/bin/kill -s QUIT $MAINPID
 Restart=on-failure
 RestartSec=10s