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Protocol names in EXPOSE instructions should be lowercase.
PropertyValue
SeverityWarning
CategoryStyle
DefaultEnabled
Auto-fixYes (--fix)

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Description

Protocol names in the EXPOSE instruction should be specified in lowercase to maintain consistency and readability.

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Examples

Bad: 
EXPOSE 80/TcP
Good: 
EXPOSE 80/tcp

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Auto-fix

The fix lowercases the protocol in EXPOSE port specs. 
# Before
EXPOSE 8080/TCP

# After (with --fix)
EXPOSE 8080/tcp

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Reference