Super SQA on Instagram: "Here’s another way to think about Docker: it’s basically a DVD for software. Remember how a movie DVD worked? It didn't just have the video file. It had everything you needed, all packaged together on one disc: the video, multiple audio tracks, subtitles, and navigation menus. You could take that one disc and play it on any DVD player, and it would just work. A Docker Image does the exact same thing, but for a software application. An application needs more than just cod