## 4.1.6.2 Tutorials for the SAP Authorization and Trust Management Service
Follow the tutorials below to get familiar with the SAP Authorization and Trust Management service in the Cloud Foundry environment of SAP BTP.
Tutorials for the SAP Authorization and Trust Management service in the Cloud Foundry environment
Learn how to secure a basic single-tenant Node.js application. Start with a Node.js application that uses the express framework and SAPUI5 to display a list of products and add the security components step by step.
Language / Framework
Node.js
Link
SAP Developers
| Tutorials for the SAP Authorization and Trust Management service in the Cloud Foundry environment                                                                                                                                                                           | Language / Framework     | Link                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------|--------------------------------------------------------------------------------------------|
| Learn how to secure a basic java appli- cation. This tutorial starts with a Hello World Java application built with SAP Cloud SDK.                                                                                                                                          | Java, SAP Cloud SDK      | SAP Developers                                                                             |
| Learn how to build a cloud-native Node.js application that features se- cured service-to-service communica- tion. The application shows you two dif- ferent ways of securing service-to-serv- ice-communication (by propagating a business user or using a technical user). | Node.js                  | GitHub                                                                                     |
| Learn how to secure microservices in SAP BTP using spring-xsuaa and Spring security. Furthermore, learn how to test the secured application using the java-security-test utilities.                                                                                         | Spring (Boot)            | GitHub                                                                                     |
| Learn how to add multitenancy to a node.js application and make it avail- able for other subaccounts using the SaaS Provisioning service and the XSUAA.                                                                                                                     | Node.js                  | SAP Developers                                                                             |
| Learn how to secure microservices in SAP BTP. This sample provides J2EE Configuration using web.xml and uses the SAP Java Buildpack.                                                                                                                                        | J2EE, SAP Java Buildpack | GitHub (SAP Java Buildpack version >=1.26.1) GitHub (SAP Java Buildpack version <= 1.26.0) |
| Learn how to use the java-security library to perform JWT Validation as part of your Java application. Further- more, learn how to test the secured application using the java-security- test utilities.                                                                    | Java                     | GitHub                                                                                     |
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| and Trust Management service in the Cloud Foundry environment                                                                                                                                                                                   | Language / Framework   | Link   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------|--------|
| Learn how to validate OAuth tokens us- ing a Python library. Use this library to add authentication in your Python ap- plication.  Note This library isn't part of an SAP BTP license. However, it belongs to a re- lated open source project. | Python                 | GitHub |
| Learn in this reference application how the service fits into a complete archi- tecture of microservices that interact with each other propagating user infor- mation.                                                                          | Java                   | GitHub |