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1 Commits

Author SHA1 Message Date
Rory Hunter d8aacbdd31 Add UBI docker builds
Backport of #60742.

This PR resurrects support for building Docker images based on one of
Red Hat's UBI images. It also adds support for running the existing
Docker tests against the image. The image is named
`elasticsearch-ubi8:<version>`.

I also changed the Docker build file uses enums instead strings in a lot
of places, for added rigour.
2020-08-18 09:48:51 +01:00