refactor: simplify nginx config by removing redundant worker and event settings

nginx.conf

@@ -1,17 +1,3 @@
-worker_processes auto;
-daemon off; # Run in the foreground, managed by Docker/start.sh
-
-# Ensure appuser can write to pid path if it's in a restricted location.
-# Default for alpine nginx is /run/nginx/nginx.pid, which should be fine.
-# If issues, uncomment and adjust:
-# pid /tmp/nginx.pid;
-
-error_log /var/log/nginx/error.log warn; # Ensure appuser can write here or adjust
-
-events {
-    worker_connections 1024;
-}
-
 http {
     include /etc/nginx/mime.types;
     default_type application/octet-stream;