部署优化

scripts/prod-init-db.ps1

@@ -38,9 +38,28 @@ if (-not $SkipBackup) {
   $backupDir = Join-Path $Root "backups"
   New-Item -ItemType Directory -Force -Path $backupDir | Out-Null
   $stamp = Get-Date -Format "yyyyMMdd-HHmmss"
-  $backupFile = Join-Path $backupDir "thebet365-$stamp.sql"
+  $tempFile = Join-Path $backupDir "thebet365-db-prod-init-$stamp.sql"
+  $backupFile = "$tempFile.gz"
   Write-Host "[prod-init-db] 备份 → $backupFile"
-  docker compose @composeArgs exec -T postgres pg_dump -U thebet365 -d thebet365 -F p | Set-Content -Encoding utf8 $backupFile
+  docker compose @composeArgs exec -T postgres pg_dump -U thebet365 -d thebet365 -F p | Set-Content -Encoding utf8 $tempFile
+
+  $inputStream = [System.IO.File]::OpenRead($tempFile)
+  $outputStream = [System.IO.File]::Create($backupFile)
+  try {
+    $gzipStream = [System.IO.Compression.GzipStream]::new($outputStream, [System.IO.Compression.CompressionMode]::Compress)
+    try {
+      $inputStream.CopyTo($gzipStream)
+    } finally {
+      $gzipStream.Dispose()
+    }
+  } finally {
+    $inputStream.Dispose()
+    $outputStream.Dispose()
+  }
+  Remove-Item $tempFile -Force
+
+  $hash = (Get-FileHash -Algorithm SHA256 $backupFile).Hash.ToLowerInvariant()
+  "$hash  $(Split-Path -Leaf $backupFile)" | Set-Content -Encoding UTF8 "$backupFile.sha256"
 } else {
   Write-Host "[prod-init-db] 已跳过备份"
 }