Map a Podman container user to host user

map-podman-container-user-to-host-user.txt

#
# Use case: Podman should run a build-container.
# The build should be run by a user "builder" with UID 1000 inside the container
# Build artifacts should be shared with the host via a -v Volume.
# To make things easier, artifacts created inside the container should have the user, who started the container, as owner.
# The Container should run in  "rootless" mode.
# Solution: Use --uidmap for user mapping. 
#

podman run \
    --user 1000 \
    --uidmap=1000:0:1 \
    --uidmap=0:1:1000 \
    -v [...]