Posts within the Tutorials category

Featured image for "Working with Spring boot and GraphQL"
Java

Working with Spring boot and GraphQL

Forget REST, start with GraphQL! In this tutorial I'll show you what the benefits are of GraphQL and how you can use GraphQL with Spring boot to create even better APIs.

Featured image for "Handling authentication and authorization with Angular"
JavaScript

Handling authentication and authorization with Angular

In this tutorial I'll use route guards, Http interceptors and directives to improve handling authentication and authorization in an Angular application using ngrx.

Featured image for "Working with @ngrx/store"
JavaScript

Working with @ngrx/store

A component-based architecture brings it own challenges, such as state management. In this tutorial I'll demonstrate how the ngrx library can solve this problem by defining actions and reducers.

Featured image for "Writing your own Spring boot starter"
Java

Writing your own Spring boot starter

Spring boot comes with many starters that do most of the work for you. The nice thing is that you can also write your own Spring boot starters as well, and in this tutorial, we'll figure out what we need to do to make our own Spring boot starter.

Featured image for "Monitoring Spring boot applications with Prometheus and Grafana"
Java

Monitoring Spring boot applications with Prometheus and Grafana

While monitoring is essential, there are various tools on the market to do this. In this tutorial I'll be using Prometheus and Grafana to monitor an existing Spring boot application.

Featured image for "Getting started with Angular CLI and Project Clarity"
JavaScript

Getting started with Angular CLI and Project Clarity

Project Clarity is a neat UI library with a component-set that can be used with Angular. In this tutorial, I'll set up Project Clarity with Angular CLI.

Featured image for "Using the Netflix stack with Spring boot: Zuul"
Java

Using the Netflix stack with Spring boot: Zuul

Spring boot has several integrations available for Netflix components such as Zuul. In this tutorial I'll demonstrate how Zuul can be used to handle several cross-cutting concerns on a network-based level, such as CORS headers and handling multipart requests.

Featured image for "Securing Spring boot applications with JWT"
Java

Securing Spring boot applications with JWT

JWT is a popular type of token. In this tutorial I'll show you how to integrate a JWT authentication mechanism with Spring, and within a microservice oriented architecture.

Featured image for "Getting started with Spring boot 2.0"
Java

Getting started with Spring boot 2.0

Explore the new reactive features of Spring boot 2.0 and Spring 5 with me by writing a web crawler using Webflux and reactive MongoDB.

Featured image for "Configuration as a microservice"
Java

Configuration as a microservice

Decentralized configuration on the filesystem has its flawed. But what if you could provide configuration as a microservice with Git?