I have been a very satisfied user of autofs for several years. Using a laptop in multiple location without reboot, could often cause annoying timeouts with hard mounted NFS shares.
So I found autofs, which did a great job, especially the ghost option is nice, making you able to browse the filesystem when it’s not mounted, and only seeing a small delay when the autofs mounts it for you at your wish.
I have now discovered that systemd has a mount option: https://www.freedesktop.org/software/systemd/man/systemd.mount.html
It can be used as systemd units, but also directly from /etc/fstab where I prefer to have my mount options.
To replicate the autofs functionality, add something like this to your mount options:
The above options will mount when you try to access the share, and it will unmount after 1 minute of idling, and the _netdev tells the system not to mount it before the network is ready.
More or less the same functionality as autofs, but no need to install additional software.