#!/usr/bin/env bash
# PostgreSQL database backup
set -euo pipefail

BACKUP_DIR="/mnt/dysk/backups/db"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
FILE="$BACKUP_DIR/dropzone_$TIMESTAMP.sql.gz"

mkdir -p "$BACKUP_DIR"

docker exec dropzone_postgres pg_dump -U "$DB_USER" "$DB_NAME" \
  | gzip > "$FILE"

echo "Backup saved: $FILE"

# Delete backups older than 30 days
find "$BACKUP_DIR" -name "*.sql.gz" -mtime +30 -delete