What this snippet does
Plain down keeps named volumes; -v deletes them along with the data they hold.
Expected output
Volume myapp_pgdata Removed
Why practise typing this
Typing compose basics 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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