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Heroku Blog

Build Well-Documented and Authenticated APIs in Node.js with Fastify

If you’re an API developer working with Node.js, then you’re probably familiar with Express. But have you tried out the Fastify framework to build with power, speed, and convenience? In this walkthrough, we build a full-featured, easy-to-consume API with Fastify. And we deploy it to the cloud with ease. We show you how to:

  • Get started working with Fastify to build an API
  • Implement API authentication by using a JSON web token (JWT)
  • Use Fastify’s Swagger plugins to generate an OpenAPI specification
  • Consume the OpenAPI specification with Postman, giving you an API client that can send requests seamlessly to your back-end API
  • Deploy your application to Heroku

Improved Browser Testing on Heroku with Chrome

For developers and businesses offering a web-based product, automated browser testing is a critical tool to ensure continuous delivery of a reliable service. Developers write browser tests by scripting actions against a real browser, simulating real usage by navigating, selecting, and making assertions about web pages and their document elements.

In this post, we introduce a new community buildpack that helps with automated browser testing. The new buildpack resolves installation reliability problems in the existing Chrome browser buildpacks for Heroku apps.

Add-on Controls for Pay-As-You-Go Customers

Add-on Controls for Heroku Teams

At Heroku, trust and security are top priorities and we’ve been steadily adding more security controls to the platform. Recently, we launched SSO for Heroku Teams, and today, we’re excited to announce more enhancements for teams: add-on controls. Previously, this feature was only available to Heroku Enterprise customers.

The Elements Marketplace has add-ons built by our partners that help teams accelerate app development on Heroku. Add-ons can interact …

Building a GPT Backed by a Heroku-Deployed API

How to connect your GPT on OpenAI to a backend Node.js app

Late in 2023, OpenAI introduced GPTs, a way for developers to build customized versions of ChatGPT that can bundle in specialized knowledge, follow preset instructions, or perform actions like reaching out to external APIs. As more and more businesses and individuals use ChatGPT, developers are racing to build powerful GPTs to ride the wave of ChatGPT adoption.

Expanded Memory and Compute with Heroku’s New Larger Dynos

Introduction

Heroku is excited to introduce nine new dyno types to our fleets and product offerings. In 2014, we introduced Performance-tier dynos, giving our customers fully dedicated resources to run their most compute-intensive workloads. Now in 2024, today's standards are rapidly increasing as complex applications and growing data volumes consume more memory and carry heavier CPU loads.

With these additional dyno types, we’re excited to enable new use cases on Heroku with enhanced …

SSO for Pay-as-you-go Customers

Today, we’re pleased to introduce a security feature addition for Heroku pay-as-you-go customers: Single Sign-On (SSO). SSO makes it easy to centralize and manage access to all the various tools and services used by your employees. Previously, SSO was only available for Heroku Enterprise. SSO improves the employee experience in several ways. You can use any identity provider (IdP) with built-in SSO support for Heroku, or custom authentication solutions that support …

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