Merge branch...

Merge branch '38549-variables-to-define-deploy-policy-for-staging-and-production-environments' into 'master'

Use variables to define deploy policy for staging and production environments

Closes gitlab-ce#38549

See merge request !160
1 job for master in 22 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #65936515
test

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