feat: ship blog platform admin and deploy stack

deploy/scripts/backup/sync-backups-offsite.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BACKUP_ROOT="${BACKUP_ROOT:-./backups}"
+OFFSITE_TARGET="${OFFSITE_TARGET:-}"
+AWS_EXTRA_ARGS="${AWS_EXTRA_ARGS:-}"
+RSYNC_EXTRA_ARGS="${RSYNC_EXTRA_ARGS:-}"
+
+if [[ -z "${OFFSITE_TARGET}" ]]; then
+  echo "OFFSITE_TARGET is required (rsync path or s3:// bucket)" >&2
+  exit 1
+fi
+
+if [[ ! -d "${BACKUP_ROOT}" ]]; then
+  echo "Backup root not found: ${BACKUP_ROOT}" >&2
+  exit 1
+fi
+
+if [[ "${OFFSITE_TARGET}" == s3://* ]]; then
+  aws s3 sync "${BACKUP_ROOT}" "${OFFSITE_TARGET}" ${AWS_EXTRA_ARGS}
+  echo "Backups synced to ${OFFSITE_TARGET}"
+  exit 0
+fi
+
+rsync -av --delete ${RSYNC_EXTRA_ARGS} "${BACKUP_ROOT}/" "${OFFSITE_TARGET}/"
+echo "Backups synced to ${OFFSITE_TARGET}"