Add comprehensive backup system for Gitea database

restore-gitea-db.ps1

@@ -0,0 +1,67 @@
+# Gitea Database Restore Script
+param (
+    [Parameter(Mandatory=$true)]
+    [string]$BackupFile
+)
+
+# Check if backup file exists
+if (-not (Test-Path $BackupFile)) {
+    Write-Host "Backup file not found: $BackupFile" -ForegroundColor Red
+    exit 1
+}
+
+# Extract the backup if it's a zip file
+$tempFile = $null
+if ($BackupFile.EndsWith(".zip")) {
+    $tempDir = [System.IO.Path]::GetTempPath()
+    $tempFile = Join-Path $tempDir "gitea-db-restore-temp.sql"
+    
+    Write-Host "Extracting backup file..."
+    Expand-Archive -Path $BackupFile -DestinationPath $tempDir -Force
+    $extractedFile = Get-ChildItem -Path $tempDir -Filter "*.sql" | Select-Object -First 1
+    
+    if ($extractedFile) {
+        Copy-Item $extractedFile.FullName -Destination $tempFile
+        $BackupFile = $tempFile
+    } else {
+        Write-Host "Failed to extract SQL file from backup" -ForegroundColor Red
+        exit 1
+    }
+}
+
+# Confirm before proceeding
+Write-Host "WARNING: This will overwrite the current database with the backup." -ForegroundColor Yellow
+Write-Host "Make sure your Gitea service is stopped before proceeding." -ForegroundColor Yellow
+$confirmation = Read-Host "Do you want to continue? (y/n)"
+
+if ($confirmation -ne "y") {
+    Write-Host "Restore cancelled."
+    if ($tempFile -and (Test-Path $tempFile)) {
+        Remove-Item $tempFile
+    }
+    exit 0
+}
+
+# Stop Gitea services
+Write-Host "Stopping Gitea services..."
+docker-compose stop
+
+# Restore the database
+Write-Host "Restoring database from backup..."
+Get-Content $BackupFile | docker exec -i gitea-db psql -U gitea -d gitea
+
+# Check restore status
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "Database restore completed successfully!" -ForegroundColor Green
+} else {
+    Write-Host "Database restore failed!" -ForegroundColor Red
+}
+
+# Clean up temp file if created
+if ($tempFile -and (Test-Path $tempFile)) {
+    Remove-Item $tempFile
+}
+
+# Restart Gitea services
+Write-Host "Starting Gitea services..."
+docker-compose start