Ian Campbell 71c0f34060 Use a go build cache to speed up builds.
With a docker build cache already primed with the build image I am seeing
`time make build -f docker.Makefile DOCKER_BUILDKIT=1 GO_BUILD_CACHE=n` takes
more than 1 minute.

By contrast `time make build -f docker.Makefile DOCKER_BUILDKIT=1
GO_BUILD_CACHE=y` takes less than 10s with a hot cache irrespective of whether
the source tree has changed

Signed-off-by: Ian Campbell <ijc@docker.com>
(cherry picked from commit d5de8358f0)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: c1c4b46f29
Component: cli
2019-06-14 12:53:15 +02:00
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310 MiB
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