This is a sliding door with a stylish, small system. Instead of a large floor rail, the door is guided into a subtle little guide.
The Inexpensive Barn Door Hardware is available as a niche and angle situation in both stainless steel satin and stainless steel polished (Chrome).
https://www.slidingdoorshardware.com/stainless-steel-barn-door-hardware/modern-barn-door-hardware/inexpensive-barn-door-hardware.html