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Keycloak, Spring & Vaadin Demo

Vaadin demo backed by Spring Boot (embedded Tomcat) and Keycloak.

General

A showcase on how a Vaadin application can be setup using Gradle, Spring Boot and secured with Keycloak. It is based on security-sample-shared.

The main purpose of this demo is to understand the full build and configuration process to allow the different technologies to work together.

Dependencies

This demo has been tested with following dependencies:

  • JDK 8
  • Docker >= 17.03.1-ce
  • docker-compose >= 1.11.2

!! NOTE !!

The public-access branch demonstrates how the setup can be configured to have a partially public application. In other words, parts of the application are accesible anonymously while other parts required a fully authenticated user.

Build, Deploy and Configure

Clone the repository

% git clone https://github.com/chvndb/keycloak-spring-vaadin-demo.git

% cd keycloak-spring-vaadin-demo

Create the demo docker network

% ./gradlew network

Compile the source code, start the application server and deploy

% ./gradlew start

Add keycloak demo Realm

% open http://localhost:5050/auth/admin/master/console

% login with user: demo, password: demo

% import realm using file `src/main/docker/keycloak/data/keycloak.json`

Go to application

% open http://localhost:8080/

% login with user: admin, password: admin

% login with user: user, password: user

Stop and clean up

% ./gradlew stop

Development

Any code changes can be redeployed without doing a full restart. Start coding and redeploy with:

% ./gradlew redeploy