# vim /var/work/14/Dockerfile
FROM ubuntu:20.04
RUN apt-get update
RUN apt-get -y install curl
RUN groupadd myuser
RUN useradd -g myuser myuser
USER myuser
CMD ["sh", "-c", "while true ; do id ; sleep 1 ;done"]
podman build . -t cks:14
podman run -d --name cks-14 cks:14
sleep 2
podman logs cks-14 | grep myuser
podman stop cks-14
podman rm cks-14