Pulumi Neo works on infrastructure the way an engineer does: it clones repositories, edits files, installs dependencies, runs previews, and produces intermediate work along the way. A task is not only a conversation with a model. It is also a working directory that has to survive long enough for the agent to keep making progress. Imagine asking an agent to upgrade a Pulumi provider version across a repository, regenerate SDK code, run previews and tests, inspect the failures, and open a pull request. Halfway through, the runtime restarts. Conversation replay can recover what the agent said…
Components let you turn a group of resources into a reusable building block. You can define a network, a database, or an application service once and share it across projects and teams. People using the component work with its inputs and outputs without needing to understand every resource inside it. Suppose you built your network with the legacy AWSX VPC component. It manages the VPC, subnets, route tables, and gateways behind a few lines of code. Now you want to upgrade to the modern AWSX component. Later, your needs change again: you want more control over the resources than the component…
There is no single best Kubernetes infrastructure as code tool, because “Kubernetes IaC” actually spans three different jobs. For provisioning the cluster and its cloud dependencies, Pulumi and Terraform (or OpenTofu) are the strongest general-purpose options. For templating and packaging workloads, Helm and Kustomize dominate. For continuous reconciliation once things are running, Argo CD and Flux lead the GitOps category. The right stack usually combines one tool from each layer, not a single tool that claims to do all three. What counts as infrastructure as code for Kubernetes? Kubernetes…
Yes, Terraform can manage Kubernetes: the official hashicorp/kubernetes provider lets you declare Deployments, Services, and other objects as HCL resources, and community providers like kubectl fill in the gaps. It works well for many teams. The friction shows up around two well-documented limits — provider ordering and plan-time API access — and around testing, where a general-purpose language changes what’s possible. That friction matters more in 2026 than it did a few years ago. Kubernetes infrastructure now sits next to AI-driven engineering workflows: agents that propose changes, run…
Today’s big release contains a whole new set of features designed for seamless interoperability with the Terraform and OpenTofu ecosystems, and there’s a lot there — so much that it can be tough to get your head around all of it. But it generally falls into three major categories: Support for Pulumi Cloud as a Terraform state backend, including remote execution with human approvals A Terraform module registry in Pulumi Cloud that lets you publish, document, and share your modules even across language boundaries First-class support for HCL as an authoring language in the Pulumi engine To make…
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At Pulumi, we are building the platform for agentic infrastructure. Pulumi Cloud provides the guardrails and enterprise readiness needed to safely move fast in this new era. While we are seeing extraordinary adoption — over 40% of our users now manage infrastructure using AI agents — we know many organizations are at different phases in their AI journey and have to balance building for the future with maintaining their existing infrastructure as code (IaC) solutions like Terraform. Today, we are launching three ways that Pulumi lets you avoid trading off building for the future against…
Claude Code calls the flag --dangerously-skip-permissions, and the community long ago renamed it YOLO mode. It lets your coding agent run any command it wants without ever asking for permission. Every agent has some version of it, Codex and Cursor included, and if you use these tools seriously, you are probably running one of them every day. I am. YOLO mode is also what makes a coding agent worth having. An agent that stops for approval before every command is not autonomous; it’s a slow pair programmer. But you cannot let it run wild on your machine without real guardrails either. You have…
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Kubernetes has become the default place teams run agentic AI workloads: CNCF’s 2026 annual survey found that 66% of organizations hosting generative AI models use Kubernetes to manage some or all of their inference workloads.1 An entire ecosystem has grown up around that fact — agent runtimes, model servers, GPU schedulers — and most of it assumes the infrastructure underneath is already handled. It usually isn’t. An AI agent is not a stateless web service, and provisioning for one takes more than copying a Deployment YAML and swapping the image. I spend a lot of my time these days thinking…
Ammar Ekbote | Senior Software EngineerChan Kim | Senior Software EngineerManaging Infrastructure as Code (IaC) across a massive organization comes with a unique set of security and logistical challenges, particularly when operating within a distributed, multi-repository architecture. At Pinterest, we designed the Resource Provisioner Pipeline (RPP), our specialized, proprietary Terraform execution engine to safely manage both critical and non-critical infrastructure changes.In this post, we will look under the hood of the first iteration of the RPP system. We will explore how it established…
You usually find out in the postmortem: the alarm fired, but it paged a schedule nobody was on anymore. Or the service had been running in production for three months before anyone created the matching PagerDuty service, so the first person to notice the outage was a customer. The infrastructure was code, reviewed and versioned. The incident response setup was forty clicks in a web UI, done once, by someone who has since changed teams. PagerDuty’s own engineering team has been making the case for managing PagerDuty as code for years, and the OneUptime folks recently published a hands-on guide…
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The strongest Terraform alternatives in 2026 split into three groups: general-purpose-language platforms like Pulumi and AWS CDK, HCL-compatible forks like OpenTofu, and cloud- or platform-specific tools like AWS CloudFormation, Azure Bicep, and Crossplane. (Pulumi also supports HCL directly and can serve as a Terraform-compatible state backend, so teams don’t have to choose between staying in HCL and gaining Pulumi Cloud’s platform capabilities.) Which one fits depends less on syntax preference than on how well it lets your team, and increasingly your AI coding agents, read, test, and safely…
Infrastructure as Code (IaC) is a software engineering approach that involves managing and provisioning computing infrastructure through machine-readable script files or configuration files. Instead of manually setting up servers, networks, and other infrastructure components, IaC allows developers and operations teams to define and automate the provisioning of infrastructure using code.Popular IaC tools include:PulumiA modern IaC platform, Pulumi enables users to write infrastructure code using familiar programming languages such as Python, JavaScript, TypeScript, Go, C#, and Java.…
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