feat: 补充数据库脚本和配置

deploy/postgres/bootstrap.ps1

@@ -0,0 +1,37 @@
+param(
+    [string]$Host = "120.53.222.17",
+    [int]$Port = 5432,
+    [string]$AdminUser = "postgres",
+    [string]$AdminPassword = ""
+)
+
+if (-not (Get-Command psql -ErrorAction SilentlyContinue)) {
+    throw "psql command not found. Add PostgreSQL bin directory to PATH."
+}
+
+if ([string]::IsNullOrWhiteSpace($AdminPassword)) {
+    Write-Warning "AdminPassword not provided. You will be prompted by psql."
+}
+
+$sqlPath = Join-Path $PSScriptRoot "create_databases.sql"
+if (-not (Test-Path $sqlPath)) {
+    throw "Cannot find create_databases.sql under $PSScriptRoot."
+}
+
+$env:PGPASSWORD = $AdminPassword
+
+$arguments = @(
+    "-h", $Host,
+    "-p", $Port,
+    "-U", $AdminUser,
+    "-f", $sqlPath
+)
+
+Write-Host "Executing create_databases.sql on $Host:$Port as $AdminUser ..."
+& psql @arguments
+
+if ($LASTEXITCODE -ne 0) {
+    throw "psql returned non-zero exit code ($LASTEXITCODE)."
+}
+
+Write-Host "PostgreSQL databases and roles ensured successfully."