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

cd "$(dirname "$0")"

BACKUP_DIR="./backups"
DATE=$(date +%Y-%m-%d_%H%M%S)

mkdir -p "$BACKUP_DIR"

echo "==> Dumping all databases..."
docker compose exec -T postgres pg_dumpall -U admin > "${BACKUP_DIR}/all-databases-${DATE}.sql"

echo "==> Backup saved to ${BACKUP_DIR}/all-databases-${DATE}.sql"

# Garder les 7 derniers backups
ls -t "${BACKUP_DIR}"/all-databases-*.sql | tail -n +8 | xargs -r rm --
echo "==> Old backups cleaned (keeping last 7)."