Docker from A to Z
Images, containers, layers, volumes, networks and Compose, built up from one small program, with the Dockerfile habits that keep images small, builds fast and secrets out of the layers.
CodexBash, , 8 min read
"It works on my machine" is the oldest excuse in software, and Docker is mostly an answer to it: package the program together with everything it needs, and run that package the same way everywhere. This article builds up the whole picture from one small program, in the order the ideas actually depend on each other.
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