Spring-Boot on Yonatan Karp-Rudin

How to Fix Misconfigurations in RedisTemplate

Wed, 05 Jun 2024 00:00:00 +0100

Table of Contents

Introduction

Our story begins with a colleague and me trying to debug an issue with our project for a few hours. We needed to fetch a value from Redis storage, but whenever the service ran, the fetched value was null. Despite our efforts, we couldn’t find a solution on the internet, and to make matters worse, our code was actually covered by tests that had all passed!

Observability in Action: How to Use OpenTelemetry

Tue, 17 Oct 2023 00:00:00 +0100

Table of Contents

Toggle

How To Build Your Domain Gateway With OpenApi

Wed, 14 Dec 2022 00:00:00 +0100

TL;DR: This article explains what a domain gateway is, how to build one, and why you would want it.

Table of Contents

Toggle

How to Use OpenApi to Build a Robust RESTful API

Sun, 04 Dec 2022 00:00:00 +0100

Editor’s Note: This post was originally written by me and published on SumUp’s blog. However, a lot has changed since then. I am no longer working for SumUp, OpenAPI has released two major versions, Spring Boot has had a major release, and even Gradle has had multiple major releases. Not only that, but my writing skills have improved dramatically since then, and over time, I have found some small mistakes in the original article. Since the original article is one of my most successful, I decided to rewrite it and publish an updated version.

Create a Custom Spring Boot App Banner

Fri, 02 Dec 2022 00:00:00 +0100

Today, I’d like to share a fun feature of Spring with you. It’s not new or crucial, but it’s definitely enjoyable!

Normally, when you launch your Spring Boot app, you see a standard banner in the logs like this:

But have you ever thought about replacing that Spring banner with your own custom banner? If you have, then this article is for you!

To begin, let’s visit https://patorjk.com/, a website that helps us create custom text. You can enter the desired text for your log and choose from a variety of fonts. For example:

How to inject multiple implementations in the Spring Framework

Fri, 11 Feb 2022 00:00:00 +0100

Recently, I had a discussion with one of my colleagues during a code review. We talked about a hidden gem in Spring (as well as other frameworks like Micronaut) that could simplify our code.

Let’s consider a task: developing a good morning greeting system that supports both English and Hebrew languages. The system should greet us in each of these languages.

We’ll begin with the native implementation by introducing our greeters: