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Docker is not an option on HPC clusters I have been using so far. For me it is easier to just put SIF file where all users can run it/programs from it. There are issues in really closed evironments (no sudo on any machine) when one has to jump hoops to tweak=> build=>SIF transfer, but this is nuisance, not a problem.

BTW, are there out there any on premises multi-user HPC clusters with Docker running on the nodes?

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> BTW, are there out there any on premises multi-user HPC clusters with Docker running on the nodes?

The vendor ClusterVision (EMEA, went bankrupt then returned to life) used to offer a cluster deployment option based on OpenStack+Docker; OpenStack for defining the cluster boundary on top of your hardware then Docker serving as the "image" on each compute node layered on top of the regular OS. Not at all a typical use-case for HPC containers, and with hindsight it is fairly obvious how that Byzantine stack resulted in too much complexity for them to support cost-effectively.

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