feat: add backup and restore scripts for Docker volumes, including functionality for creating backups and restoring from specific dates

Author: gainsborouo

.gitignore

@@ -2,4 +2,6 @@
 .env*
 !.env.example
 
-.DS_Store
+.DS_Store
+
+backup/

backup.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Docker 備份腳本
+# 使用方法: ./backup.sh
+
+set -e
+
+# 設定變數
+BACKUP_DIR="./backup"
+DATE=$(date +%Y%m%d-%H%M%S)
+PROJECT_NAME="pastexam"
+
+# 創建備份目錄
+mkdir -p $BACKUP_DIR
+
+echo "開始備份 Docker 容器資料..."
+echo "備份時間: $DATE"
+
+# 備份 Volume 資料
+echo "備份 Docker Volumes..."
+
+# PostgreSQL Volume 備份
+if docker volume ls --format "{{.Name}}" | grep -q "pastexam-postgres-data"; then
+    echo "備份 PostgreSQL volume..."
+    docker run --rm -v pastexam-postgres-data:/data -v $(pwd)/$BACKUP_DIR:/backup alpine tar czf /backup/postgres-volume-$DATE.tar.gz -C /data .
+    echo "PostgreSQL volume 備份完成"
+fi
+
+# MinIO Volume 備份
+if docker volume ls --format "{{.Name}}" | grep -q "pastexam-minio-data"; then
+    echo "備份 MinIO volume..."
+    docker run --rm -v pastexam-minio-data:/data -v $(pwd)/$BACKUP_DIR:/backup alpine tar czf /backup/minio-volume-$DATE.tar.gz -C /data .
+    echo "MinIO volume 備份完成"
+fi
+
+echo "所有備份已完成！備份檔案位於: $BACKUP_DIR"
+echo "備份檔案列表:"
+ls -la $BACKUP_DIR/*$DATE*
+
+# 保留最近 4 週的備份，刪除舊的 (每週備份，保留 4 份)
+echo "清理 4 週前的備份檔案..."
+find $BACKUP_DIR -name "*.tar.gz" -mtime +28 -delete
+echo "備份腳本執行完成！"

restore.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# Docker 還原腳本
+# 使用方法: ./restore.sh [backup_date]
+# 例如: ./restore.sh 20241225-143022
+
+set -e
+
+BACKUP_DIR="./backup"
+BACKUP_DATE=$1
+
+if [ -z "$BACKUP_DATE" ]; then
+    echo "使用方法: $0 [backup_date]"
+    echo "可用的備份："
+    ls -la $BACKUP_DIR/ | grep -E "\.(sql|tar\.gz)$" | head -10
+    exit 1
+fi
+
+echo "開始還原 Docker 容器資料..."
+echo "還原日期: $BACKUP_DATE"
+
+# 確保容器停止
+echo "停止容器..."
+docker compose down
+
+# 還原 Volume 資料
+echo "還原 Docker Volumes..."
+
+# 還原 PostgreSQL Volume
+if [ -f "$BACKUP_DIR/postgres-volume-$BACKUP_DATE.tar.gz" ]; then
+    echo "還原 PostgreSQL volume..."
+    docker volume rm pastexam-postgres-data 2>/dev/null || true
+    docker volume create pastexam-postgres-data
+    docker run --rm -v pastexam-postgres-data:/data -v $(pwd)/$BACKUP_DIR:/backup alpine tar xzf /backup/postgres-volume-$BACKUP_DATE.tar.gz -C /data
+    echo "PostgreSQL volume 還原完成"
+fi
+
+# 還原 MinIO Volume
+if [ -f "$BACKUP_DIR/minio-volume-$BACKUP_DATE.tar.gz" ]; then
+    echo "還原 MinIO volume..."
+    docker volume rm pastexam-minio-data 2>/dev/null || true
+    docker volume create pastexam-minio-data
+    docker run --rm -v pastexam-minio-data:/data -v $(pwd)/$BACKUP_DIR:/backup alpine tar xzf /backup/minio-volume-$BACKUP_DATE.tar.gz -C /data
+    echo "MinIO volume 還原完成"
+fi
+
+
+
+echo "還原完成！現在可以啟動服務："
+echo "docker compose up -d"