[BUG] Apptainer Build Error: layout contains multiple images

[bendhouseart]

Built dev branch of petdeface in docker and then tried to create an apptainer image:

[galassiae@elgreco3 petdeface]$ docker images
REPOSITORY               TAG       IMAGE ID       CREATED             SIZE
openneuropet/petdeface   0.3.1     57f90e3fc5bd   23 minutes ago      22.1GB
openneuropet/petdeface   latest    57f90e3fc5bd   23 minutes ago      22.1GB
mathesong/bloodstream    latest    d242bb31d14c   About an hour ago   2.99GB
<none>                   <none>    f9fcd0cd0d50   About an hour ago   2.99GB
ezbids_docker-handler    latest    16a031373d42   27 hours ago        3.86GB
ezbids_docker-api        latest    bb1fd0629b5c   27 hours ago        1.79GB
ezbids_docker-ui         latest    0c74ea6cfee5   27 hours ago        1.45GB
nipreps/smriprep         latest    7e964cebadf0   4 months ago        6.82GB
mongo                    4.4.15    79fdd3aa9573   3 years ago         438MB
[galassiae@elgreco3 petdeface]$ apptainer build petdeface.dev-0.3.1.sif docker-daemon://openneuropet/petdeface
INFO:    Starting build...
INFO:    Fetching OCI image...
FATAL:   While performing build: conveyor failed to get: must specify a digest - layout contains multiple images