This container runs borgbackup daily. Everything mapped to /data folder is backed up to /repo .

run

docker run \
    -e BACKUP_HOUR=22 \
    -e BORG_PASSPHRASE=my-secret-pw \
    -e TZ=Europe/Berlin \
    -v backup-dir:/repo \
    -v storage:/data/data1 \
    -v private_data:/data/data2 \
    -v logs:/logs \
    --name borg-backup \
    martinay/borgbackup:latest

Environment variables:

BACKUP_HOUR = hour when backup is started (default is 23)
TZ= Timezone e.g. Europe/Berlin

used for borg prune:

KEEP_DAILY = 7
KEEP_WEEKLY = 1
KEEP_MONTHLY = 1

restore

run a temporary docker container and execute borg commands in the opening shell

docker run \
    --rm \
    -it \
    -e BORG_PASSPHRASE=my-secret-pw \
    -e TZ=Europe/Berlin \
    -v backup-dir:/repo \
    -v restore-here:/restore \
    --name borg-backup-restore \
    martinay/borgbackup:latest \
    /bin/sh

tags

1.2.6, latest -> borg version 1.2.6

build

docker build -t martinay/borgbackup:latest .

upgrade guide

1.2.0 -> 1.2.6

1. Update image tag and run container
2. Connect to container docker exec -it borg-backup /bin/sh
3. Run borg check /repo and check if there is anything special. This can take time.
4. Run borg info /repo .
5. Exit the container with exit

1.1.17 -> 1.2.0

1. Update image tag and run container
2. Connect to container docker exec -it borg-backup /bin/sh
3. Run borg compact --cleanup-commits --progress --verbose /repo
4. Exit the container with exit