Docker

Inspecting a failed layer in Docker

DockerDebugging & OpsBuild failuresintermediate

What this snippet does

Building up to the failing stage gives you a shell in the exact environment that broke.

Expected output

/src #

Why practise typing this

Typing debugging & ops code builds muscle memory for the symbols and indentation Docker uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.

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