simulation environment

scripts to make the docker/apptainer environment for simulations (including Geant4 and ROOT).

To make the docker image, run the following command in the terminal:

docker build -t alma9forgeant4:v0 .

To convert the docker image to an apptainer image

SINGULARITY_TMPDIR=/home/yfeng/Desktop/.apptainer/tmp SINGULARITY_CACHEDIR=/home/yfeng/Desktop/.apptainer singularity build alma9forgeant4 docker-daemon://alma9forgeant4

and build the sandbox from the image

singularity build --sandbox alma9forgeant4_sbox alma9forgeant4