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Apptainer vs Docker cheat-sheet#

Apptainer Docker Description
apptainer pull docker:// docker pull Pull docker image
apptainer run docker run Execute container
apptainer build docker build Build a new container
apptainer exec docker exec Run a command within container
apptainer shell docker run -it Enter into a shell within container
apptainer instance start docker run -d Run container as a service
apptainer instance stop docker stop Stop container
The Definition file (.def) Dockerfile Blueprint to build a container