github.com/apptainer/singularity@v3.1.1+incompatible/examples/docker/Singularity (about)

     1  BootStrap: docker
     2  From: busybox:latest   # This is a comment
     3  
     4  %runscript
     5      echo "This is what happens when you run the container..."
     6  
     7  %post
     8      echo "Hello from inside the container"
     9      echo "Install additional software here"