#!/usr/bin/env bash set -euo pipefail BACKUP_DIR="${BACKUP_DIR:-/var/backups/teknav}" RETENTION_DAYS="${BACKUP_RETENTION_DAYS:-14}" STAMP="$(date -u +%Y%m%d-%H%M%S)" OUT="${BACKUP_DIR}/teknav-${STAMP}.sql.gz" mkdir -p "${BACKUP_DIR}" chmod 750 "${BACKUP_DIR}" pg_dump "${DATABASE_URL}" | gzip -9 > "${OUT}" chmod 640 "${OUT}" find "${BACKUP_DIR}" -type f -name 'teknav-*.sql.gz' -mtime "+${RETENTION_DAYS}" -delete echo "[teknav-backup] wrote ${OUT}"