$ sbx create --pull never -t m101-tpl:v1 shell --name m101-from-tpl

sandbox    m101-from-tpl
agent      shell
workspace  none · no workspace bind mount
image      m101-tpl:v1
cpu        10
memory     32 GiB

Checking image
✓ Image ready
✓ Created sandbox m101-from-tpl

To connect to this sandbox, run:
  sbx run --name m101-from-tpl
[exit 0]

$ sbx ls
SANDBOX         AGENT   STATUS    PORTS   WORKSPACE
m101-demo       shell   stopped           $CAPTURE/fixtures/repo
m101-from-tpl   shell   running           -
[exit 0]

$ sbx exec m101-from-tpl sh -c 'ls -l /opt/marker-from-demo'
-rw-r--r-- 1 root root 0 <date> /opt/marker-from-demo
[exit 0]