Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
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@@ -31,6 +31,8 @@ Specifically, changes were made to: |
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* Fixed escaping `$` for environment variables. |
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* Fixed issue with lowercase `onbuild` instruction in a `Dockerfile`. |
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+* Restricted environment variable expansion to `ENV`, `ADD`, `COPY`, `WORKDIR`, |
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+`EXPOSE`, `VOLUME`, and `USER` |
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##Version 1.3.0 |
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