<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>LocalStack Blog - LocalStack Extensions</title><description>News, tutorials, and insights from the LocalStack team on cloud emulation, product showcases, and local development practices.</description><link>https://blog.localstack.cloud/</link><item><title>Build Authenticated Applications Locally with the Keycloak Extension for LocalStack</title><link>https://blog.localstack.cloud/build-authenticated-apps-locally-keycloak-localstack/</link><guid isPermaLink="true">https://blog.localstack.cloud/build-authenticated-apps-locally-keycloak-localstack/</guid><description>Learn how to use the Keycloak extension to add OAuth2/OIDC authentication to your AWS apps. Walk through a sample app with API Gateway, Lambda, and DynamoDB that uses Keycloak JWTs for role-based access control, all running locally without cloud dependencies.</description><pubDate>Mon, 20 Apr 2026 00:00:00 GMT</pubDate><enclosure url="https://blog.localstack.cloud/_astro/build-authenticated-apps-locally-keycloak-localstack-banner.DX0YXUsJ_ZVPrf5.WEBP" length="3288809" type="image/png"/></item><item><title>Build Search Applications Locally with LocalStack and ParadeDB</title><link>https://blog.localstack.cloud/build-search-apps-locally-paradedb-localstack/</link><guid isPermaLink="true">https://blog.localstack.cloud/build-search-apps-locally-paradedb-localstack/</guid><description>Learn how to build search applications locally with LocalStack and ParadeDB, a Postgres-based search and analytics engine including a sample app to understand the schema, data and query relationships, and how LocalStack and ParadeDB fit together.</description><pubDate>Thu, 12 Mar 2026 00:00:00 GMT</pubDate><enclosure url="https://blog.localstack.cloud/_astro/build-search-apps-locally-paradedb-localstack-banner.CzLYUCN3_ZF7FyD.WEBP" length="2750560" type="image/png"/></item><item><title>Simulate External APIs locally with the WireMock Extension for LocalStack</title><link>https://blog.localstack.cloud/simulate-external-apis-locally-with-the-wiremock-extension-for-localstack/</link><guid isPermaLink="true">https://blog.localstack.cloud/simulate-external-apis-locally-with-the-wiremock-extension-for-localstack/</guid><description>Learn how to use the WireMock extension for LocalStack to simulate external APIs locally. You&apos;ll learn how to install and use the extension with a sample application to mock OpenAI API responses, enabling deterministic integration testing without external dependencies.</description><pubDate>Tue, 10 Feb 2026 00:00:00 GMT</pubDate><enclosure url="https://blog.localstack.cloud/_astro/mock-external-apis-locally-with-the-wiremock-extension-for-localstack-banner.D2FjrGko_qDYim.WEBP" length="2858490" type="image/png"/></item><item><title>Build Knowledge Graph Applications with LocalStack and TypeDB Extension</title><link>https://blog.localstack.cloud/build-knowledge-graph-applications-localstack-typedb-extension/</link><guid isPermaLink="true">https://blog.localstack.cloud/build-knowledge-graph-applications-localstack-typedb-extension/</guid><description>Learn how to build knowledge graph applications with TypeDB extension for LocalStack. You&apos;ll learn how to install and use the extension with a sample application to understand the TypeDB schema, data and query relationships, and how LocalStack and TypeDB fit together.</description><pubDate>Tue, 03 Feb 2026 00:00:00 GMT</pubDate><enclosure url="https://blog.localstack.cloud/_astro/build-knowledge-graph-applications-localstack-typedb-extension-banner.BCuYWq2d_Zhwhb3.WEBP" length="3258256" type="image/png"/></item></channel></rss>