Book Image

Keycloak - Identity and Access Management for Modern Applications

By : Stian Thorgersen, Pedro Igor Silva
Book Image

Keycloak - Identity and Access Management for Modern Applications

By: Stian Thorgersen, Pedro Igor Silva

Overview of this book

Implementing authentication and authorization for applications can be a daunting experience, often leaving them exposed to security vulnerabilities. Keycloak is an open-source solution for identity management and access management for modern applications, which can make a world of difference if you learn how to use it. Keycloak, helping you get started with using it and securing your applications. Complete with hands-on tutorials, best practices, and self-assessment questions, this easy-to-follow guide will show you how to secure a sample application and then move on to securing different application types. As you progress, you will understand how to configure and manage Keycloak as well as how to leverage some of its more advanced capabilities. Finally, you'll gain insights into securely using Keycloak in production. By the end of this book, you will have learned how to install and manage Keycloak as well as how to secure new and existing applications.
Table of Contents (21 chapters)
Section 1: Getting Started with Keycloak
Section 2: Securing Applications with Keycloak
Section 3: Configuring and Managing Keycloak
Section 4: Security Considerations

Technical requirements

The example code for this chapter can be find in the GitHub repository associated with this book. If you have Git installed, you can clone the repository by running this command in a terminal:

$ git clone

Alternatively, you can download a ZIP of the repository from

After cloning or extracting the repository, take a look at the ch7 directory, which is where all the examples are located.

Before we begin, you need to run Keycloak on a different port. For that, start the server, as follows:

$ cd $KC_HOME
$ bin/ -Djboss.socket.binding.port-offset=100

If you are using Docker, you should run the following command to start the server:

$ docker run -e KEYCLOAK_USER=admin \