What this snippet does
Secrets are mounted at /run/secrets/<name> instead of being exposed as environment variables.
Expected output
/run/secrets/db_password
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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