nginx: send access_log to journald

modules/nginx/default.nix

@@ -37,6 +37,12 @@ in
     appendConfig = ''
       # Number of CPU cores
       worker_processes 8;
+
+      log_format combined_host '$host - $remote_addr - $remote_user [$time_local] '
+                    '"$request" $status $body_bytes_sent '
+                    '"$http_referer" "$http_user_agent"';
+
+      access_log syslog:server=unix:/dev/log combined_host;
     '';
     eventsConfig = ''
       worker_connections 1024;