buildkit/CopyIgnoredFile¶
Attempting to Copy file that is excluded by .dockerignore.
| Property | Value |
|---|---|
| Severity | Warning |
| Category | Correctness |
| Default | Enabled |
Description¶
When you use the ADD or COPY instructions in a Dockerfile, you should
ensure that the files to be copied into the image do not match a pattern present
in .dockerignore. Files which match the patterns in a .dockerignore file are
not present in the context of the image when it is built. Trying to copy or add
a file which is missing from the context will result in a build error.
Examples¶
Given a .dockerignore containing */tmp/*:
Bad:
Good: