#!/bin/bash
BACKUP_DIR="/var/lib/postgresql_archive/pgbackups/$(date +%Y%m%d)"
mkdir -p $BACKUP_DIR
# Perform base backup with WAL streaming
pg_basebackup -h localhost -U wjones -D $BACKUP_DIR -Fp -Xs -P
# Optional: Compress
tar -czf ${BACKUP_DIR}_$(date +%Y%m%d_%H%M%S).tar.gz $BACKUP_DIR
rm -rf $BACKUP_DIR
# Retention: Delete backups older than 7 days
find /var/lib/postgresql_archive/pgbackups/ -type f -mtime +7 -name "*.tar.gz" -delete