#!/usr/bin/env sh
set -eu
backup_dir="${1:-./backup}"
mkdir -p "$backup_dir"
tar -czf "$backup_dir/site-files.tgz" ./wp-content
# For the database use a least-privilege backup account and protected credential source.
mysqldump --single-transaction --routines --triggers app | gzip > "$backup_dir/database.sql.gz"
tar -tzf "$backup_dir/site-files.tgz" >/dev/null
gzip -t "$backup_dir/database.sql.gz"
printf 'Backup files verified. Next step: perform a restore drill in an isolated environment.
'