Apptainer is package to run containers, similar to docker, and is the successor to singularity.
Documentation
Interactive use
$ module load apptainer
[+] Loading apptainer 1.4.0
$ apptainer pull docker://ghcr.io/apptainer/lolcow
INFO: Converting OCI blobs to SIF format
INFO: Starting build...
INFO: Fetching OCI image...
27.2MiB / 27.2MiB [======================================] 100 % 28.1 MiB/s 0s
45.8MiB / 45.8MiB [======================================] 100 % 28.1 MiB/s 0s
INFO: Extracting OCI image...
INFO: Inserting Apptainer configuration...
INFO: Creating SIF file...
INFO: To see mksquashfs output with progress bar enable verbose logging
$ apptainer exec lolcow_latest.sif cowsay moo
< moo >
-----
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
Alternatively, this can be done in one step.
$ module load apptainer
[+] Loading apptainer 1.4.0
$ apptainer run docker://sylabsio/lolcow:latest
INFO: Converting OCI blobs to SIF format
WARNING: 'nodev' mount option set on /tmp, it could be a source of failure during build process
INFO: Starting build...
INFO: Fetching OCI image...
45.8MiB / 45.8MiB [======================================] 100 % 0.0 b/s 0s
27.2MiB / 27.2MiB [======================================] 100 % 0.0 b/s 0s
INFO: Extracting OCI image...
INFO: Inserting Apptainer configuration...
INFO: Creating SIF file...
INFO: To see mksquashfs output with progress bar enable verbose logging
______________________________
< Thu Jan 30 09:56:32 EST 2025 >
------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
Build instructions for those who are curious
$ cd ${ANNOVAR_DATA}
$ git clone https://github.com/apptainer/apptainer.git
$ cd apptainer
$ ./mconfig --prefix=/mnt/nasapps/production/apptainer/1.4.0
$ cd builddir && make && make install
$ git clone https://github.com/rfjakob/gocryptfs.git
$ cd gocrytpfs
$ ./build-without-openssl.bash
$ cp gocryptfs /mnt/nasapps/production/apptainer/1.4.0/bin/