linuxmemes

It's supposedly containerisation, but not really docker. After all, docker itself merely presents the OS's underlying feature in a somewhat more accessible way (keyword: somewhat).

Snap is more like a big ecosystem around that idea that breaks everything that should work in that context, is a security nightmare and is sold as "work anywhere" but really only work in one place, which developers could have targeted in the beginning without having to rely on Snap to begin with.