News, tutorials, and insights from the LocalStack team on cloud emulation, product showcases, and local development practices.https://blog.localstack.cloud/https://blog.localstack.cloud/testing-cognito-authentication-flows-locally-with-localstack/https://blog.localstack.cloud/testing-cognito-authentication-flows-locally-with-localstack/Learn how to build and test Cognito flows against LocalStack: the hosted UI with auth code and PKCE, JWT verification against the pool's JWKS in an API Gateway authorizer, TOTP multi-factor auth, and machine-to-machine tokens from the client credentials grant.Fri, 25 Sep 2026 00:00:00 GMThttps://blog.localstack.cloud/running-localstack-on-kubernetes-for-local-aws-development-testing/https://blog.localstack.cloud/running-localstack-on-kubernetes-for-local-aws-development-testing/Learn how to run LocalStack on a local Kubernetes cluster using the LocalStack Operator, and deploy a Lambda function that queries an RDS MySQL database, with both running as pods in your cluster.Wed, 08 Apr 2026 00:00:00 GMThttps://blog.localstack.cloud/automate-terraform-testing-localstack-github-actions/https://blog.localstack.cloud/automate-terraform-testing-localstack-github-actions/Learn how to automate Terraform testing in GitHub Actions with LocalStack to validate modules without cloud costs or credentials. This tutorial shows how to set up CI workflows, run Terraform tests, and get fast feedback loops.Thu, 08 Jan 2026 00:00:00 GMThttps://blog.localstack.cloud/expedite-infrastructure-delivery-gitops-cicd-integration/https://blog.localstack.cloud/expedite-infrastructure-delivery-gitops-cicd-integration/Streamline infrastructure delivery with GitOps and CI/CD. Learn best practices for repo structure, validation, deployment, and secrets management.Mon, 09 Jun 2025 00:00:00 GMThttps://blog.localstack.cloud/introducing-openinfraquote-open-source-terraform-cost-estimation-tool/https://blog.localstack.cloud/introducing-openinfraquote-open-source-terraform-cost-estimation-tool/OpenInfraQuote is a brand-new lightweight, open-source CLI tool for estimating infrastructure costs based upon Terraform plan and state files that can run locally or in CI/CD with no backend, API keys or external integration required.Wed, 16 Apr 2025 00:00:00 GMThttps://blog.localstack.cloud/efficient-infrastructure-testing-localstack-terraform-tests-framework/https://blog.localstack.cloud/efficient-infrastructure-testing-localstack-terraform-tests-framework/Terraform tests framework can integrate with LocalStack to perform local testing of your AWS cloud infrastructure. We'll explore how to use this to test a serverless workflow and enable rapid, cost-effective validation of your Terraform configurations right on your local machine.Thu, 23 Jan 2025 00:00:00 GMThttps://blog.localstack.cloud/terraform-and-aws-cli-on-localstack/https://blog.localstack.cloud/terraform-and-aws-cli-on-localstack/AWS offers multiple ways to create and manage cloud resources. Two popular tools are the AWS CLI (Command Line Interface) and Terraform, each with its own strengths and trade-offs. Let’s explore the process of creating resources using both AWS CLI and Terraform, and dive into the key differences between these approaches.Mon, 21 Oct 2024 00:00:00 GMT