#!/usr/bin/env bash
# Nightly Postgres backup for the HN Reader app. Invoked by app-54d6877c-backup.timer.
set -euo pipefail

BACKUP_DIR="/home/exedev/backups"
RETENTION_DAYS=7
TIMESTAMP="$(date -u +%Y%m%dT%H%M%SZ)"
FILE="$BACKUP_DIR/hn-reader-$TIMESTAMP.sql.gz"

mkdir -p "$BACKUP_DIR"

docker exec hn-reader-postgres pg_dump -U hnreader -d hnreader | gzip > "$FILE"

find "$BACKUP_DIR" -name 'hn-reader-*.sql.gz' -mtime +"$RETENTION_DAYS" -delete

echo "Backed up hn-reader database to $FILE"