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Pulumi Tutorial — IaC in a Programming Language

08. 09. 2023 Updated: 27. 03. 2026 1 min read intermediate
This article was published in 2023. Some information may be outdated.

Cloud Intermediate

Pulumi Tutorial — IaC in a Programming Language

PulumiIaCTypeScript 3 min read

Infrastructure as Code in TypeScript, Python or Go. An alternative to Terraform.

Why Pulumi?

Infrastructure in a real programming language — loops, conditions, tests, IDE support.

Example in TypeScript

import * as aws from "@pulumi/aws";
import * as pulumi from "@pulumi/pulumi";

const bucket = new aws.s3.Bucket("my-bucket", {
    website: { indexDocument: "index.html" }
});

const bucketPolicy = new aws.s3.BucketPolicy("policy", {
    bucket: bucket.id,
    policy: bucket.arn.apply(arn => JSON.stringify({
        Statement: [{
            Effect: "Allow",
            Principal: "*",
            Action: "s3:GetObject",
            Resource: \`\${arn}/*\`
        }]
    }))
});

export const url = bucket.websiteEndpoint;

Summary

Pulumi = Terraform for developers. The full power of a programming language for infrastructure. Consider it if HCL limits you.

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CORE SYSTEMS team

We build core systems and AI agents that keep operations running. 15 years of experience with enterprise IT.