macOS helper script to start services defined by docker compose and clean them up after they are stopped

dup.sh

#!/bin/bash
#
# Helper script to start services defined by docker compose and clean them up
# after they are stopped
# - launches docker if it is not currently running
# - requires macOS and Docker Desktop
#
set -o errexit
set -o errtrace
set -o nounset

# shellcheck disable=SC2154
trap '_es=${?};
    printf "${0}: line ${LINENO}: \"${BASH_COMMAND}\"";
    printf " exited with a status of ${_es}\n";
    exit ${_es}' ERR

# https://en.wikipedia.org/wiki/ANSI_escape_code
E0="$(printf "\e[0m")"          # reset
E30="$(printf "\033[30m")"      # black foreground
E90="$(printf "\e[90m")"        # bright black (gray) foreground
E107="$(printf "\033[107m")"    # bright white background

#### FUNCTIONS ################################################################


print_header() {
    # Print 80 character wide black on white heading
    printf "${E30}${E107}# %-69s$(date '+%T') ${E0}\n" "${@}"
}


#### MAIN #####################################################################

print_header 'Ensure docker is running and display information'
if ! docker info &>/dev/null
then
    echo -n "${E90}Waiting"
    open -a Docker --fresh &
    until docker info &>/dev/null
    do
        echo -n .
        sleep 0.1
    done
    echo "${E0}"
fi
{
    docker version \
        | gsed \
            -e'/API\|Go\|Git\|Built\|Arch\|Context\|Experimental\|^$/d' \
        | gsed --null-data \
            -e's/Server: /Server:\n /' \
            -e's/Desktop /Desktop Version:/' \
            -e's/:\n *Version/ Version/g'
    docker compose version \
        | gsed \
            -e's/Docker //' \
            -e's/version/Version:/'
} \
    | gsed \
        -e's/Version: */Version:|/' \
    | column -s'|' -t
echo

# In some situations (ex. Docker restarted), the network may not be cleaned-up
# yet. Starting with `docker compose down` prevents `docker compose up` from
# failing with errors like:
#   Error response from daemon: network [...] not found
print_header 'Stop and remove containers, networks'
docker compose down
echo

print_header 'Create and start containers'
docker compose up || true
echo

print_header 'Stop and remove containers, networks'
docker compose down
echo