tweak nginx logging & configurable rubgram prices

nginx/nginx.conf

@@ -1,6 +1,19 @@
 events {}
 
 http {
+	map $uri $loggable {
+	    default 1;
+	    ~^/_next 0;
+
+        =/favicon.webp 0;
+        =/robots.txt 0;
+        
+        ~^/api/.*/count$ 0;
+	}
+
+	log_format clean ' $request_method $uri $status';
+	access_log /var/log/nginx/access.log clean if=$loggable;
+
     upstream backend {
         # Use the service name defined in docker-compose.yml
         server app:3000;
@@ -10,7 +23,7 @@ http {
         listen 80;
 
         # Docker's internal DNS resolver
-        resolver 127.0.0.11 valid=5s;
+        resolver 127.0.0.11 valid=1s ipv6=off;
 
         location / {
             proxy_pass http://backend;