feature/multi-cloud (#14)

Co-authored-by: Danijel Simeunovic <danijel.simeunovic@fortedigital.com>
Reviewed-on: #14

scripts/backup/s3-minio.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+# S3-compatible backup upload (UpCloud Objects, MinIO, Wasabi, etc.)
+# Uses: minio/mc
+# Env: S3_ENDPOINT, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, S3_BUCKET
+
+BACKUP_FILE="${1:?Usage: $0 <backup-file>}"
+TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+KEY="gitea-dump-${TIMESTAMP}.zip"
+
+mc alias set s3 "${S3_ENDPOINT}" "${AWS_ACCESS_KEY_ID}" "${AWS_SECRET_ACCESS_KEY}"
+
+echo "Uploading ${KEY}..."
+mc cp "$BACKUP_FILE" "s3/${S3_BUCKET}/${KEY}"
+echo "Upload complete."
+
+# Prune backups older than 7 days
+echo "Pruning backups older than 7 days..."
+mc rm --older-than 7d --force "s3/${S3_BUCKET}/" 2>&1 || true
+echo "Pruning complete."