#!/usr/bin/env bash
# Daily backup of smb-db (the CRM Postgres = source of truth). Keeps 14 days.
# Installed on the homelab at /home/mivanchenko/backups/bin/ and run via cron.
set -euo pipefail

DEST=/home/mivanchenko/backups/smb-crm
mkdir -p "$DEST"
TS=$(date +%Y%m%d-%H%M%S)
FILE="$DEST/smbcrm-$TS.sql.gz"

# pg_dump runs inside the container; gzip on the host.
docker exec smb-db pg_dump -U smbcrm -d smbcrm | gzip > "$FILE"

# keep the 14 most recent dumps, delete older
ls -1t "$DEST"/smbcrm-*.sql.gz 2>/dev/null | tail -n +15 | xargs -r rm -f

echo "$(date -Is) backup ok: $FILE ($(du -h "$FILE" | cut -f1))"