#!/bin/sh
# ─────────────────────────────────────────────────────────────────────────────
# Backup service entrypoint. Runs one backup immediately on start, then loops
# every BACKUP_INTERVAL_SECONDS (default 24h). A loop (vs cron) inherits the
# container environment cleanly and survives restarts without lost schedules.
# ─────────────────────────────────────────────────────────────────────────────
set -eu

INTERVAL="${BACKUP_INTERVAL_SECONDS:-86400}"
echo "[backup] service started; interval=${INTERVAL}s, retention=${RETENTION_DAYS:-14}d"

while true; do
  /usr/local/bin/db-backup.sh || echo "[backup] cycle failed; will retry next interval"
  sleep "$INTERVAL"
done