#!/bin/sh
set -eu

LOG=/var/log/rsync-backup.log

/usr/bin/mkdir -p /backup/app-data
printf '[%s] starting rsync backup\n' "$(/usr/bin/date -u +%Y-%m-%dT%H:%M:%SZ)" >> "$LOG"
/usr/bin/rsync \
  --archive \
  --delete \
  --itemize-changes \
  /srv/app-data/ \
  /backup/app-data/ >> "$LOG" 2>&1
printf '[%s] finished rsync backup\n' "$(/usr/bin/date -u +%Y-%m-%dT%H:%M:%SZ)" >> "$LOG"