Kbin no run
It depends if your reverse proxy is inside your home network or outside. It should work without any other configuration if you forward ports 80&443 from external domain with something similar to rathole and configure reverse proxy inside home network.
This is not an answer to your question about using the same url, but see this article, it might be helpful. Tl;dr: mdns + reverse proxy.
You can mount remote with rclone and fine tune caching to your liking: https://rclone.org/commands/rclone_mount/#vfs-file-caching
What is the advantage of this extension over the bookmarklet? https://shaarli.readthedocs.io/en/master/Usage.html#adding-editing-shaares
Grab live cd and run it in qemu:
qemu-system-x86_64 -enable-kvm -machine type=pc \
-cpu host -smp 2 \
-m 4096 -device virtio-balloon \
-vga virtio -display sdl,gl=on \
-usb -device usb-tablet \
-boot d -cdrom "$@"
I think it might be related to https://github.com/syncthing/syncthing-android/issues/2026 "the next firmware update should fix it for everyone".
F-droid
It can be achieved with nat proxy on the server https://serverfault.com/questions/379360/vpn-tunneling-to-hide-real-ip-through-my-proxy-server-while-showing-the-clien