FROM public.ecr.aws/docker/library/alpine:3.21.2

ARG argwithdefault=default
ARG anotherarg=alsodefault

RUN date | tee /etc/timestamp  # force layers to be unique
RUN uname -a | tee /etc/uname; echo "GOT argwithdefault=$argwithdefault; GOT anotherarg=$anotherarg"  # force a second layer to be created for squash testing
RUN . /etc/os-release && echo $NAME | tee /etc/name  # output must be saved for consistency between docker and podman
