Pulumi is an infrastructure as code framework that allows full-stack developers and cloud engineers to manage the lifecycle of their cloud resources using their favorite programming language. It supports observability as code, enabling users to embed their observability strategy into production environments. Pulumi offers a more flexible approach than Terraform, allowing users to use languages such as JavaScript, Python, Go, .NET, Java, and markup languages like YAML. By proactively monitoring applications with Pulumi and New Relic, developers can resolve issues before they affect customers, ensuring proactive monitoring of their stack. The framework enables users to create alerts using workflows in a step-by-step guide, utilizing the Pulumi CLI and recent versions of Node.js.