#!/usr/bin/env bash
# vim: set filetype=sh
#
# Author: Cody Hiar
# Date: 2019-01-15
#
# Description: Show how quickly a docker container
# can boot up, run a command, and then boot down.
#
# Set options:
#   e: Stop script if command fails
#   u: Stop script if unset variable is referenced
#   x: Debug, print commands as they are executed
#   o pipefail:  If any command in a pipeline fails it all fails
#
set -exuo pipefail

# Run a container
time docker run --rm -it ubuntu:18.04 /bin/bash -c 'echo Hello World'

# Show size of docker container
docker images | grep '18.04'