Add backup script

scripts/backup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+DATE=$(date +%Y-%m-%d)
+BACKUP_DIR=/srv/backups/db
+R2_BUCKET=r2:verimund-backups
+
+# Database backup
+pg_dump -h 127.0.0.1 -U verimund_user verimund | gzip > $BACKUP_DIR/verimund_$DATE.sql.gz
+
+# Upload to R2
+rclone sync $BACKUP_DIR $R2_BUCKET/db
+
+# Keep only last 7 local backups
+cd $BACKUP_DIR && ls -t | tail -n +8 | xargs -r rm
+
+echo "Backup complete: $DATE"