Master branch should provide a nightly image

[Jeffwan]

Even we enable post-job workflow to build the image for every commit, we have to manually update manifest to use latest tag.

This is inconvenient to use nightly image. In some situation, master manifest may use elder version than stable release branch. it totally depends on when we update the manifest.

We should make post submit job retag commit to nightly as well and push the image. In that case, master manifest should always use xxx:nightly.

kubectl apply -k "github.com/kubeflow/tf-operator.git/manifests/overlays/standalone?ref=master"

[Jeffwan]

/kind enhancement

[Jeffwan]

/help

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[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.