Learn how to use OPA to externalize authorization decisions of a Spring Security-based application.
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Baeldung Author
Philippe Sevestre
Software Engineer and Technology Consultant based in São Paulo – Brazil, with 20+ years of experience working on a wide variety of business applications. Particularly interested in system integration technologies, frameworks and software development methodologies.
Here's what I've written (so far):
Spring Security – Map Authorities from JWT
Filed under Spring Security
Explore different ways to customize the way Spring Security map authorities from JWT claims.
URL Rewriting With Spring Cloud Gateway
Filed under Spring Cloud
Explore different ways to rewrite URLs using the Spring Cloud Gateway library.
Using Spring Cloud Gateway with OAuth 2.0 Patterns
Filed under Spring Cloud, Spring Security
Explore some of the OAuth 2.0 security patterns and how to implement them using Spring Cloud Gateway.
Reactive Streams API with Ratpack
Explore Ratpack’s support for reactive streams and how to apply it in different scenarios.
Access Control Models
Filed under Security
Explore different access control models and how applications use them to enforce access rules.
Creating a Kubertes Admission Controller in Java
Filed under DevOps
Learn how to create a Kubernetes admission controller in Java and deploy it to an existing cluster.
Creating, Updating and Deleting Resources with the Java Kubernetes API
Filed under DevOps
Learn how to manipulate Kubernetes resources using the Java Kubernetes API library.
Using Namespaces and Selectors With the Kubernetes Java API
Filed under DevOps
Explore different ways to filter resources using the Java Kubernetes API client.
Using Watch with the Kubernetes API
Filed under DevOps
Learn about different ways to create Kubernetes Watches using the Java API client.
Paging and Async Calls with the Kubernetes API
Filed under DevOps
Explore how to use paging and asynchronous calls with the Kubernetes Java API.
A Quick Intro to the Kubernetes Java Client
Filed under DevOps
Discover the Kubernetes API for Java.
Using Custom User Providers with Keycloak
Filed under Security
Learn how to create a custom provider for Keycloak.
Using JNA to Access Native Dynamic Libraries
Filed under Java
Learn how to use JNA to access native code easily when compared to JNI.
Introduction to ArchUnit
Filed under Architecture
ArchUnit is a library for checking the architecture of our Java code. Let’s explore it.
Guide to Apache BookKeeper
Learn how to use Apache BookKeeper.
Best Practices When Using Terraform
Learn about some best practices when using the popular DevOps tool Terraform
Introduction to Terraform
Take a quick tour of Terraform, one of the most popular tools used by DevOps teams to automate infrastructure tasks
Spring Cloud Gateway Routing Predicate Factories
Filed under Spring Cloud
Explore how to add custom predicate factories to Spring Cloud Gateway and use them to define routes using arbitrary logic.
AWS S3 with Java – Reactive Support
Explore the basics of using the reactive extensions available in the AWS SDK V2 library.