Add comprehensive backup system for Gitea database

restore-volume.ps1

@@ -0,0 +1,88 @@
+# Script to restore the Postgres Docker volume from a backup
+param (
+    [Parameter(Mandatory=$true)]
+    [string]$BackupFile
+)
+
+$volumeName = "gitea-docker_postgres-data"
+$tempDir = Join-Path $env:TEMP "postgres-volume-restore"
+
+# Check if backup file exists
+if (-not (Test-Path $BackupFile)) {
+    Write-Host "Backup file not found: $BackupFile" -ForegroundColor Red
+    exit 1
+}
+
+# Extract the backup if it's a zip file
+$tarFile = $BackupFile
+if ($BackupFile.EndsWith(".zip")) {
+    # Create temp directory if it doesn't exist
+    if (-not (Test-Path $tempDir)) {
+        New-Item -ItemType Directory -Path $tempDir -Force | Out-Null
+    } else {
+        # Clean temp directory
+        Remove-Item -Path "$tempDir\*" -Force -Recurse -ErrorAction SilentlyContinue
+    }
+    
+    Write-Host "Extracting backup file..."
+    Expand-Archive -Path $BackupFile -DestinationPath $tempDir -Force
+    $extractedFile = Get-ChildItem -Path $tempDir -Filter "*.tar" | Select-Object -First 1
+    
+    if ($extractedFile) {
+        $tarFile = $extractedFile.FullName
+    } else {
+        Write-Host "Failed to extract TAR file from backup" -ForegroundColor Red
+        exit 1
+    }
+}
+
+# Confirm before proceeding
+Write-Host "WARNING: This will overwrite the current database volume with the backup." -ForegroundColor Yellow
+Write-Host "Make sure your Gitea services are stopped before proceeding." -ForegroundColor Yellow
+$confirmation = Read-Host "Do you want to continue? (y/n)"
+
+if ($confirmation -ne "y") {
+    Write-Host "Restore cancelled."
+    exit 0
+}
+
+# Stop Gitea services
+Write-Host "Stopping Gitea services..."
+docker-compose down
+
+# Check if volume exists and remove it
+$volumeExists = docker volume ls --format "{{.Name}}" | Select-String -Pattern "^$volumeName$"
+if ($volumeExists) {
+    Write-Host "Removing existing volume $volumeName..."
+    docker volume rm $volumeName
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "Failed to remove existing volume. It might be in use by another container." -ForegroundColor Red
+        exit 1
+    }
+}
+
+# Create a new volume
+Write-Host "Creating new volume $volumeName..."
+docker volume create $volumeName
+
+# Restore from backup
+Write-Host "Restoring volume from backup..."
+docker run --rm -v ${volumeName}:/volume -v ${tarFile}:/backup.tar alpine sh -c "cd /volume && tar -xf /backup.tar"
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "Volume restore completed successfully!" -ForegroundColor Green
+} else {
+    Write-Host "Volume restore failed!" -ForegroundColor Red
+    exit 1
+}
+
+# Clean up temp directory if created
+if ($BackupFile.EndsWith(".zip") -and (Test-Path $tempDir)) {
+    Remove-Item -Path $tempDir -Force -Recurse -ErrorAction SilentlyContinue
+}
+
+# Start Gitea services
+Write-Host "Starting Gitea services..."
+docker-compose up -d
+
+Write-Host "Restore process completed. Check if your Gitea instance is working properly." -ForegroundColor Green