how to cache images in nginx
if you use reverse proxy , just need enable cache.
why not add by default like plesk panel it install`s apache and nginx as reverse proxy https://support.plesk.com/hc/en-us/articles/213944825-How-to-install-and-enable-nginx-reverse-proxy-on-a-Plesk-for-Linux-server
JAY We also attach great importance to this issue, but currently aapanel does not allow nginx and apache to be installed at the same time,If there are any changes in the future, we will notify you in time.