#!/usr/bin/env bash
set -euo pipefail

BACKUP_DIR="${BACKUP_DIR:-./backups}"
COMPOSE="${COMPOSE:-docker compose}"
DB_SERVICE="${DB_SERVICE:-db}"
POSTGRES_DB="${POSTGRES_DB:-drivers}"
POSTGRES_USER="${POSTGRES_USER:-drivers}"
STAMP="$(date -u +%Y%m%dT%H%M%SZ)"
OUT="${BACKUP_DIR}/carpass-${POSTGRES_DB}-${STAMP}.dump"

mkdir -p "$BACKUP_DIR"

echo "Creating database backup: $OUT"
$COMPOSE exec -T "$DB_SERVICE" pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc > "$OUT"
echo "Backup complete: $OUT"