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GmRelayBot/scripts/restore.sh
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Toutsu 121272fdfe
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infra: add PostgreSQL daily backup via pg_dump with rotation
- Add db-backup service to compose.yaml (postgres:17-alpine + cron)
- Add pgbackups volume for backup storage
- Add scripts/restore.sh for manual restore from latest backup
- Update .env.example with BACKUP_RETENTION_DAYS and BACKUP_VOLUME_NAME
- Document backup/restore flow in README

Bump version -> 1.15.0

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-12 13:36:47 +03:00

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#!/usr/bin/env bash
# GM-Relay PostgreSQL Backup Restore Script
# Usage: ./scripts/restore.sh [backup_file]
# If no file is provided, uses the most recent backup.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
# Check required env
if [ -z "${POSTGRES_PASSWORD:-}" ]; then
if [ -f "${PROJECT_ROOT}/.env" ]; then
export $(grep -v '^#' "${PROJECT_ROOT}/.env" | xargs) 2>/dev/null || true
fi
fi
if [ -z "${POSTGRES_PASSWORD:-}" ]; then
echo "ERROR: POSTGRES_PASSWORD is not set. Please set it in your environment or .env file."
exit 1
fi
BACKUP_DIR="${PROJECT_ROOT}/backups"
# Determine backup file
if [ $# -ge 1 ]; then
BACKUP_FILE="$1"
else
BACKUP_FILE=$(find "${BACKUP_DIR}" -name 'gmrelay_db_*.sql.gz' -type f -printf '%T+ %p\n' 2>/dev/null | sort -r | head -n1 | cut -d' ' -f2-)
if [ -z "${BACKUP_FILE}" ]; then
echo "ERROR: No backup files found in ${BACKUP_DIR}."
exit 1
fi
fi
if [ ! -f "${BACKUP_FILE}" ]; then
echo "ERROR: Backup file not found: ${BACKUP_FILE}"
exit 1
fi
echo "=================================================="
echo " GM-Relay PostgreSQL Restore"
echo "=================================================="
echo ""
echo "Backup file: ${BACKUP_FILE}"
echo "Database: gmrelay_db"
echo "User: gmrelay"
echo ""
read -p "This will OVERWRITE the current database. Are you sure? [y/N] " CONFIRM
if [[ ! "${CONFIRM}" =~ ^[Yy]$ ]]; then
echo "Restore cancelled."
exit 0
fi
echo ""
echo "Restoring database from ${BACKUP_FILE}..."
# Restore using docker compose exec to leverage the running postgres container
docker compose -f "${PROJECT_ROOT}/compose.yaml" exec -T db psql \
-U gmrelay \
-d gmrelay_db \
-c "DROP SCHEMA public CASCADE; CREATE SCHEMA public;" 2>/dev/null || true
gunzip -c "${BACKUP_FILE}" | docker compose -f "${PROJECT_ROOT}/compose.yaml" exec -T db psql \
-U gmrelay \
-d gmrelay_db
echo ""
echo "=================================================="
echo " Restore completed successfully!"
echo "=================================================="