borg backup script

backup.sh

#!/bin/bash
set -euo pipefail

[[ $UID == 0 ]]

export BORG_REPO=/media/backup/borg/foo
export BORG_PASSPHRASE="TODO change this to a secret passphrase"

borg create \
  --filter AME \
  --exclude-caches \
  --exclude /root/configs \
  --exclude /root/.cache \
  --one-file-system \
  --numeric-owner \
  ::'auto-{now}' \
  /etc /opt /root /srv /var/lib/docker/volumes \
  /home/felix/.bin/
borg prune --keep-daily=8 --keep-weekly=5 --keep-monthly=7 --keep-yearly=3

crontab

# m h  dom mon dow   command
37 3 * * * /media/backup/bin/backup.sh

https://borgbackup.readthedocs.io/