Disable cache for specific RUN commands

Question

I have a few RUN commands in my Dockerfile that I would like to run with -no-cache each time I build a Docker image.

I understand the

Answer 1

the feature added a week ago.

ARG FOO=bar

FROM something
RUN echo "this won't be affected if the value of FOO changes"
ARG FOO
RUN echo "this step will be executed again if the value of FOO changes"

FROM something-else
RUN echo "this won't be affected because this stage doesn't use the FOO build-arg"

https://github.com/moby/moby/issues/1996#issuecomment-550020843