docker-postgres-backup

This image runs pg_dumpall to backup data using cronjob to folder /backup

Usage:

docker run -d \
    --env PGHOST=mysql.host \
    --env PGPORT=27017 \
    --env PGUSER=admin \
    --env PGPASSWORD=password \
    --volume host.folder:/backup
    quay.io/tamu_cpt/docker-postgres-backup

Parameters

PGHOST          the host/ip of your postgres database
PGPORT          the port number of your postgres database
PGUSER          the username of your postgres database
PGPASSWORD      the password of your postgres database

EXTRA_OPTS      the extra options to pass to pg_dump command
CRON_TIME       the interval of cron job to run pg_dump. `0 0 * * *` by default, which is every day at 00:00
MAX_BACKUPS     the number of backups to keep. When reaching the limit, the old backup will be discarded. No limit by default

INIT_BACKUP     if set, create a backup when the container starts
INIT_RESTORE_LATEST if set, restores latest backup

Restore from a backup

See the list of backups, you can run:

docker exec docker-postgres-backup ls /backup

To restore database from a certain backup, simply run:

docker exec docker-postgres-backup /restore.sh /backup/2015.08.06.171901