Build a React App with Firebase Serverless Functions
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Firebase is an exciting cloud platform from Google available to businesses today. Firebase connects everything from simple static websites to IoT devices to AI...
How to Deploy Java Microservices on Amazon EKS Using Terraform and Kubernetes
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. When it comes to infrastructure, public clouds are the most popular choice these days, especially Amazon Web Services (AWS). If you are in one...
Use React and Spring Boot to Build a Simple CRUD App
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. React was designed to make it painless to create interactive UIs. Its state management is efficient and only updates components when your data changes....
OAuth for Java Developers
You can use OAuth to secure apps, APIs, and devices. OAuth has become increasingly popular, especially as developers are asked to knit together hundreds of apps and thousands of users in enterprise environments. The Java ecosystem is vast, with over 10 million developers worldwide and an abundance of IDEs, build tools, libraries, and frameworks to make them more productive. The infographic below is recommended as a starting point for Java developers. It’s designed to help...
How to Secure User Data in Azure Cosmos DB
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Cosmos DB is a cloud database product from Microsoft that offers scalable and high-performance services. The core product runs on a proprietary NoSQL database...
Cloud Native Java Microservices with JHipster and Istio
Microservices are not everyone’s cup of tea, and they shouldn’t be. Not every problem can or should be solved by microservices. Sometimes building a simple monolith is a far better option. Microservices are solutions for use cases where scale and scalability are important. A few years ago, microservices were all the rage, made popular, especially by companies like Netflix, Spotify, Google, etc. While the hype has died down a bit, genuine use cases still exist....
Run Microservices on DigitalOcean with Kubernetes
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Cloud adoption continues to increase rapidly worldwide, and not only in the software industry. Every year more and more companies move their applications to...
Create a Java REST API with Helidon
In this tutorial, I’ll show you how to create a secure REST API and native image with Helidon. You’ll see how to run a secure, OAuth 2.0-protected, Java REST API that allows JWT authentication. Then, I’ll compare its performance with Micronaut, Quarkus, and Spring Boot. This tutorial is also available as a screencast. Prerequisites: SDKMAN (for Java 17 with GraalVM) HTTPie (a better version of cURL) An Okta Developer Account (or the Okta CLI) The...
The Identity of OAuth Public Clients
I recently got back from a series of events filled with lots of interesting discussions around various OAuth-related topics. At the official IETF meeting in Vienna back in March, I presented the latest work on OAuth 2.1 and we discussed and made progress on some of the current open issues. At the OAuth Security Workshop a few weeks later, I presented a session on client authentication for mobile apps, and there were many more presentations...
Launch a Java REST API with Micronaut
In this tutorial, I’ll show you how to create a secure REST API and native image with Micronaut. You’ll see how to run a secure, OAuth 2.0-protected, Java REST API that allows JWT authentication. Then, I’ll compare its performance with Quarkus, Spring Boot, and Helidon. This tutorial is also available as a screencast. Prerequisites: SDKMAN (for Java 17 with GraalVM) HTTPie (a better version of cURL) An Okta Developer Account (or the Okta CLI) The...