What this snippet does
Volumes and networks are prefixed with the project name, so renaming the directory orphans them.
Expected output
myproject_pgdata
Why practise typing this
Typing compose advanced 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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