docker build -t dumbserver ../app/
docker image save -o dumbserver.image.tar dumbserver

# [root@podhost tmp]# podman image load --input dumbserver.image.tar
# Getting image source signatures
# Copying blob b45078e74ec9 done
# Copying blob b34a262752ce done
# Copying blob 06cdaeea8c1e done
# Copying blob 192b450771fa done
# Copying blob 273c8cbf7fe9 done
# Copying blob 222ecd8c2394 done
# Copying blob b243f76c651c done
# Copying blob 7c655cb7234e done
# Copying blob ef546e9fb70f done
# Copying config e9ffb6042a done
# Writing manifest to image destination
# Storing signatures
# Loaded image: localhost/dumbserver:latest
# [root@podhost tmp]# podman image ls
# REPOSITORY                  TAG         IMAGE ID      CREATED       SIZE
# localhost/dumbserver        latest      e9ffb6042ab0  4 months ago  248 MB
# docker.io/nodered/node-red  latest      a15fc0f4e930  6 months ago  492 MB
# [root@podhost tmp]# podman run -d -v /home/podman/dubserverData:/nodejsapp/dataDir -p 1280:1280 --name=dumbserver dumbserver