Docker. Images without command line tools(best practice!) Obscure init systems. Unmountable overlay FSes. Dangling images eating all the disk, not removable by

Docker. Images without command line tools(best practice!) Obscure init systems. Unmountable overlay FSes. Dangling images eating all the disk, not removable by prune. Root permissions everywhere and general necessity to debug images way too often. and looong checkout times for every image update.