Alpine

When Docker first appeared, it was loved for the slogan: “Build once, run anywhere”. Developers stopped hearing the phrase “it works on my machine, but not on the server.” But along with convenience came a new threat.

A container is not just your application. It’s a whole mini-operating system (OS) with its own libraries, utilities, and system calls. And if you don’t look after that OS, you leave hackers with a huge door wide open.