Container to use Eventdisplay root library
% docker build -t eventdisplay-cta-slib .
To build it with a different root version, do e.g.,
% docker build --build-arg ROOTVERSION=6.22.00 -t eventdisplay-cta-6.22 .
To run the container in bash
% docker run --rm -it -v "$(pwd)/:/workdir" eventdisplay-cta-slib bash