DB Tsai b6375097bc [SPARK-27026][BUILD] Upgrade Docker image for release build to Ubuntu 18.04 LTS ... ## What changes were proposed in this pull request? Upgrade Docker image for release build to Ubuntu 18.04LTS ## How was this patch tested? Manually tested. Closes #23932 from dbtsai/ubuntu18.04. Authored-by: DB Tsai <d_tsai@apple.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>		2019-03-06 13:58:21 -08:00
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Dockerfile	[SPARK-27026][BUILD] Upgrade Docker image for release build to Ubuntu 18.04 LTS	2019-03-06 13:58:21 -08:00