Change the default docker cache directory from /var/lib/docker to /home/docker-data

mv-docker-cache.sh

#!/bin/bash

set -e

FILE_PATH="/etc/docker/daemon.json"

# do not write if daemon.json already exists
if [ -e "$FILE_PATH" ]; then
  echo "File ($FILE_PATH) already present. No changes made"
  exit 1
fi


cat <<EOF > "$FILE_PATH"
{
  "data-root": "/home/docker-data"
}
EOF

mkdir -p /home/docker-data

systemctl restart docker

# free disk space
rm -rf /var/lib/docker/*