An example script that kills previous instance(s) of a docker container with name "manuscript-annotations"

kill-docker

#!/bin/bash
# $PATH tweak done so this also runs from Xcode.
PATH="/usr/local/bin:${PATH}"

if [[ $(docker ps -q --filter=ancestor=manuscript-annotations) ]]; then
  docker stop $(docker ps -q --filter=ancestor=manuscript-annotations)
fi