Most people just assume that Docker is a magic box that solves all of their problems. They build Dockerfiles that depend on a grotesque cascade of hardly-vetted

Most people just assume that Docker is a magic box that solves all of their problems. They build Dockerfiles that depend on a grotesque cascade of hardly-vetted parent images, because then their Dockerfile is "only three lines! Ha! Take that, old guys!" If people had been asking any of the basic system engineering and security questions, we wouldn't be talking about this, or to be frank, most of the stuff that passes for "DevOps" these days.