Pulumi .NET

The official Pulumi .NET SDK for defining cloud infrastructure as code using C#, F#, or VB.NET. Instead of YAML or DSL configs, you write real code to provision and manage resources across AWS, Azure, Google Cloud, Kubernetes, and more.

Features

• Define infrastructure in C# with full IDE support, type safety, and refactoring tools
• Supports all major cloud providers (AWS, Azure, Google Cloud, Kubernetes)
• Reuse existing .NET libraries and NuGet packages in your infrastructure code
• Built-in secret management for sensitive configuration values
• Stack-based environment management (dev, staging, prod)
• Preview changes before applying with pulumi preview
• State management via Pulumi Cloud or self-hosted backends

Usage

Create an Azure resource group and storage account in C#:

using Pulumi;
using Pulumi.AzureNative.Resources;
using Pulumi.AzureNative.Storage;

return await Deployment.RunAsync(() =>
{
    var resourceGroup = new ResourceGroup("myResourceGroup");

    var storageAccount = new StorageAccount("mystorage", new StorageAccountArgs
    {
        ResourceGroupName = resourceGroup.Name,
        Sku = new SkuArgs { Name = SkuName.Standard_LRS },
        Kind = Kind.StorageV2,
    });

    return new Dictionary<string, object?>
    {
        ["storageAccountName"] = storageAccount.Name
    };
});

CLI Workflow

# Create a new project
pulumi new azure-csharp

# Preview changes
pulumi preview

# Deploy
pulumi up

# Tear down
pulumi destroy

Use Cases

• Provisioning cloud infrastructure using the same language as your application code
• Managing multi-environment deployments with stack-scoped configuration
• Replacing Terraform or Bicep with a code-first approach
• Building reusable infrastructure components as NuGet packages