In this article, you will learn how to create multiple Kubernetes clusters locally and establish direct communication between them with Kind and Submariner. Kind (Kubernetes in Docker) is a tool for…
Kubernetes Multicluster with Kind and Submariner
Piotr's TechBlog
Java, Spring, Kotlin, microservices, Kubernetes, containers
Using Eclipse Collections
In this article, you will learn about some useful features provided by Eclipse Collections. Do you feel that Java Streams API is sometimes not enough? I think it's worth taking…
Knative Eventing with Quarkus, Kafka and Camel
In this article, you will learn how to use Quarkus with Camel to create applications that send messages to Kafka and receive CloudEvent from Knative Eventing. We will build a…
Spring Microservices Security Best Practices
In this article, I'll describe several best practices for building microservices with Spring Boot and Spring Security. I'm going to focus only on the aspects related to security. If you…
SSL with Spring WebFlux and Vault PKI
In this article, you will learn how to configure the Vault PKI engine and integrate it with Spring WebFlux. With Vault PKI you can easily generate X.509 certificates signed by…
Secure Rate Limiting with Spring Cloud Gateway
In this article, you will learn how to enable rate limiting for an authenticated user with Spring Cloud Gateway. Why it is important? API gateway is an entry point to…
An Advanced GraphQL with Quarkus
In this article, you will learn how to create a GraphQL application using the Quarkus framework. Our application will connect to a database, and we will use the Quarkus Panache…
An Advanced GraphQL with Spring Boot and Netflix DGS
In this article, you will learn how to use the Netflix DGS library to simplify GraphQL development with Spring Boot. We will discuss more advanced topics related to GraphQL and…
Knative Eventing with Kafka and Quarkus
In this article, you will learn how to run eventing applications on Knative using Kafka and Quarkus. Previously I described the same approach for Kafka and Spring Cloud. If you…
Knative Eventing with Kafka and Spring Cloud
In this article, you will learn how to run eventing applications on Knative using Kafka and Spring Cloud. I'll show you what is Knative Eventing, and how to integrate it…