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Be clearer in docs about COPY/ADD dirs
COPY/ADD just copies the contents of dirs, not dirs themselves. This PR tries to clear that up in the docs. Closes #8775 Signed-off-by: Doug Davis <dug@us.ibm.com>
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@ -420,8 +420,10 @@ The copy obeys the following rules:
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appropriate filename can be discovered in this case (`http://example.com`
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will not work).
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- If `<src>` is a directory, the entire directory is copied, including
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filesystem metadata.
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- If `<src>` is a directory, the entire contents of the directory are copied,
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including filesystem metadata.
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> **Note**:
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> The directory itself is not copied, just its contents.
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- If `<src>` is a *local* tar archive in a recognized compression format
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(identity, gzip, bzip2 or xz) then it is unpacked as a directory. Resources
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@ -480,8 +482,10 @@ The copy obeys the following rules:
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`docker build` is to send the context directory (and subdirectories) to the
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docker daemon.
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- If `<src>` is a directory, the entire directory is copied, including
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filesystem metadata.
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- If `<src>` is a directory, the entire contents of the directory are copied,
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including filesystem metadata.
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> **Note**:
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> The directory itself is not copied, just its contents.
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- If `<src>` is any other kind of file, it is copied individually along with
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its metadata. In this case, if `<dest>` ends with a trailing slash `/`, it
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