Docker Megathread

[sleigh2022]

Ideas for the (newly-implemented) Dockerfile after feedback from other users:

• Parallelise make and make install with processor count flags passed at the docker run stage.
• Default BLAS/LAPACK implementation fblaslapack=1 could be replaced with much faster --openblas. Some users may also want to provide their vendor's own BLAS.
• Docs for using the Dockerfile.

As of 2025-09-08 there is no ReMKiT1D(-Python) installation, or Python(+pip/conda, Jupyter etc.) installation as part of the Dockerfile.
This is an open design question, if we want to separate "core" ReMKiT1D build instructions from ReMKiT1D_Python, e.g. for CI, versus for running examples.