Trigger ko target in snapshot mode

[grzesuav]

Is your feature request related to a problem? Please describe.

Described in https://github.com/orgs/goreleaser/discussions/4678#discussioncomment-8744775

My use case - want to have a uniform way to create docker image locally, as ko is creating the container from scratch, and upload to repository directly, it would be nice to extend use case to generate container image in snapshot mode.

Describe the solution you'd like

Use command like

goreleaser build --single-target --clean --snapshot

to generate locally binary and container image, for use latter in kind etc

Describe alternatives you've considered

Manually maintain separate Dockerfiles and build locally, however with more than one binary it can be a nightmare

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• I did search for other open and closed issues before opening this

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• I agree to follow this project's Code of Conduct

Additional context

No response

[caarlos0]

it seems its not as easy as just set KO_DOCKER_REPO=ko.local, as we don't actually run the ko binary... so we need to investigate what they do there and do the same here.

Not too many matches, so probably it isn't too hard: https://github.com/search?q=repo%3Ako-build%2Fko%20ko.local&type=code