use a plain vanilla docker image, download julia binaries
This is needed to test on nightly, as there is no ready-made docker image.
Use script from https://github.com/JuliaPy/install-julia/issues/1 when it finds a permanent home.
This is needed to test on nightly, as there is no ready-made docker image.
Use script from https://github.com/JuliaPy/install-julia/issues/1 when it finds a permanent home.