replace manifest-tool with docker manifest

[morvencao]

Currently we 're using manifest-tool to build the multiarch image.

However, docker client has start to support build-in manifest to create and push the multiarch manifest, the PR: docker/cli#138 for that change bas been merged.

We need to replace the manifest-tool with docker manifest... to build the multiarch image.

However, the docker manifest... is experimental feature for now, we need to edit the config.json and set experimental to enabled.

/kind enhancement
/area config
/assign
/cc @gyliu513

[ibm-ci-bot]

@morvencao: The label(s) kind/enhancement, area/config cannot be applied. These labels are supported: ``

In response to this:

Currently we 're using manifest-tool to build the multiarch image.

However, docker client has start to support build-in manifest to create and push the multiarch manifest, the PR: docker/cli#138 for that change bas been merged.

We need to replace the manifest-tool with docker manifest... to build the multiarch image.

However, the docker manifest... is experimental feature for now, we need to edit the config.json and set experimental to enabled.

/kind enhancement
/area config
/assign
/cc @gyliu513

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[morvencao]

/close
The fixes are IBM/test-infra#130 and #66

[ibm-ci-bot]

@morvencao: Closing this issue.

In response to this:

/close
The fixes are IBM/test-infra#130 and #66

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.