Docker Workflow (#5582)
Docker Workflow (#5582)

This adds a workflow section on how to use spack on Docker.

It provides an example on the best-practices I collected over the
last months and circumvents the common pitfalls I tapped in.

Works with MPI, CUDA, Modules, execution as root, etc.

Background: Developed initially for PIConGPU.
matthiasdiener/spack,iulian787/spack,iulian787/spack,iulian787/spack,lgarren/spack,iulian787/spack,tmerrick1/spack,skosukhin/spack,EmreAtes/spack,lgarren/spack,mfherbst/spack,mfherbst/spack,LLNL/spack,mfherbst/spack,matthiasdiener/spack,lgarren/spack,tmerrick1/spack,matthiasdiener/spack,EmreAtes/spack,matthiasdiener/spack,iulian787/spack,LLNL/spack,krafczyk/spack,skosukhin/spack,LLNL/spack,mfherbst/spack,lgarren/spack,tmerrick1/spack,tmerrick1/spack,skosukhin/spack,LLNL/spack,krafczyk/spack,skosukhin/spack,krafczyk/spack,krafczyk/spack,EmreAtes/spack,EmreAtes/spack,LLNL/spack,matthiasdiener/spack,tmerrick1/spack,krafczyk/spack,skosukhin/spack,mfherbst/spack,lgarren/spack,EmreAtes/spack