The DOCKER_EXPERIMENTAL environment variable drives the activation of the 'experimental' build tag. Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com> Upstream-commit: ca6722f1c5e4e2017a71e33579d91ac0d9ea2a25 Component: engine
docker.go contains Docker's main function.
This file provides first line CLI argument parsing and environment variable setting.