# Download pre-requisite files
$ make
# Build all images
$ packer build .
# Build an individual image
$ packer build -only docker.xnat-web .
# Build all docker images
$ packer build -only docker.* .
# Build the xnat-web docker image with an overridden uid
$ packer build -var "run_as_uid=997" -only docker.xnat-web .