Yong Tang 9e0819d2a5 Warn/deprecate continuing on empty lines in `Dockerfile` ... This fix is related to 29005 and 24693. Currently in `Dockerfile` empty lines will continue as long as there is line escape before. This may cause some issues. The issue in 24693 is an example. A non-empty line after an empty line might be considered to be a separate instruction by many users. However, it is actually part of the last instruction under the current `Dockerfile` parsing rule. This fix is an effort to reduce the confusion around the parsing of `Dockerfile`. Even though this fix does not change the behavior of the `Dockerfile` parsing, it tries to deprecate the empty line continuation and present a warning for the user. In this case, at least it prompt users to check for the Dockerfile and avoid the confusion if possible. Signed-off-by: Yong Tang <yong.tang.github@outlook.com> rewritten from github.com/moby/moby 7815c8f8754d5473eda7cd80277a4ea3c59e3c29		2018-06-01 20:10:13 -07:00
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dockerfile	Warn/deprecate continuing on empty lines in `Dockerfile`	2018-06-01 20:10:13 -07:00
gateway	dockerfile: support building from a Dockerfile URL	2018-05-30 13:20:27 -07:00
frontend.go	solver: rename solver-next to solver	2018-05-14 09:53:34 -07:00