daemon off for nginx

tests/automatic/settings/nginx.conf.tpl

 worker_processes  1;
+daemon off;
 
 events {
     worker_connections  1024;
@@ -13,12 +14,10 @@ http {
 
 #    keepalive_timeout  0;
 #    keepalive_timeout  65;
-    access_log  off;
-    error_log off;
 
     resolver 127.0.0.1:8600 valid=1s;
     server {
-        listen       8400;
+        listen       {{ env "NOMAD_PORT_nginx" }};
           set $discovery_endpoint discovery.service.asapo;
           location /discovery/ {
             rewrite ^/discovery(/.*) $1 break;