Specify Dockerfile name

[TheVanDoom]

Maybe I‘ve missed a part of the documentation, but I can’t seem to get buildctl to accept a Dockerfile named something else than the default. In My case I have a Dockerfile.prod that I would like to use instead 🙂

[tonistiigi]

buildctl build --frontend=dockerfile.v0 --local context=. --local dockerfile=. --opt filename=Dockerfile.prod

[TheVanDoom]

Seriously (p.-)
I've been playing around with all kinds of parameters, but must have missed that parameter entirely...
Thank you so much.