Update Dockerfile

Dockerfile

@@ -53,8 +53,8 @@ RUN \
   sed -i -e 's/#access_log  logs\/access.log  main;/access_log \/dev\/stdout;/' -e 's/#error_log  logs\/error.log  notice;/error_log stderr notice;/' /etc/nginx/nginx.conf && \
   addgroup -S nginx && \
   adduser -D -S -h /var/cache/nginx -s /sbin/nologin -G nginx nginx && \
-  rm -rf /tmp/* && \
-  apk del ${build_pkgs}
+  apk del ${build_pkgs} && \
+  rm -rf /var/cache/apk/*
 
 ARG PHP_VERSION="83"