Allow using COPY instead of ADD on resource include

[davidmav]

Description

I would like to use COPY instead of ADD on resource include.
e.g. I would like to copy a tar.gz as is without ADD to auto-extract it for me.

[scipionyx]

me too

[cavemandaveman]

+1

This would also fall in line with Dockerfile best practices

[josepena0409]

+1

[terekcampbell]

+1

[davidxia]

I'm happy to look at any PRs.

[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.