Simple script to wait until docker is ready

wait-for-docker.sh

#!/bin/bash

# Usage:
# > while ! ./wait-fordocker.sh ; do sleep 1 ; done

rep=$(curl -s --unix-socket /var/run/docker.sock http://ping > /dev/null)
status=$?

if [ "$status" == "7" ]; then
    echo 'not connected'
    sleep 1
    exit 1
fi

echo 'connected'
exit 0