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Multitenant Business Applications with CAP | Hands-on Video Tutorials

dvankempen
Product and Topic Expert
Product and Topic Expert
‎2021 Jun 03 1:37 PM
5,551








philip.mugglestone from the SAP HANA Academy and the Partner Innovation Lab just uploaded a new series of hands-on video tutorials about developing multitenant business applications for SAP Business Technology Platform (BTP) using SAP Cloud Application Programming model (CAP).

In this blog post you will find the videos embedded with references and additional information.

For more partner-focused hands-on developer series, see

Questions? Please post as comment.

Useful? Give us a like and share on social media.

Thanks!

===

Update May 23, 2022 - added video tutorial additional services




Hands-On Video Tutorials


What You Will Learn


The SAP Business Technology Platform Multitenant Business Application playlist on the SAP HANA Academy YouTube channel is growing rapidly. The first part of the playlist, videos 1 to 10 cover the basics of developing multitenant business applications and were covered in a previous blog post.

Tutorial video 11-20 revisit similar topics but this time using the SAP Cloud Application Programming model, CAP in short. Topics covered are

  • Routes

  • Dependencies

  • Credential Store

  • Extend

  • Custom Domain

  • Local Development

  • HDI

  • Additional Services (added May, 2022)


YouTube Playlist


To bookmark or directly access the playlist, go to


Free Trial Account


To follow along, you'll need a (free) SAP Business Technology Platform (BTP) trial account.

Read the Docs


For detailed information about the SAP Cloud Programming model and multitenancy, see

For the documentation, visit




CAP - First Application I


Tutorial


In this video tutorial, Philip Mugglestone scaffolds a simple first multitenant application using the SAP Cloud Application Programming Model (CAP) and reviews the code before building the project and deploying it to the Cloud Foundry runtime.

https://youtu.be/0JoDPapUAh4?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

1:05 - CAP Reference Guide

2:39 - SAP HANA Cloud

3:08 - SAP Business Application Studio

4:05 - Install Jumpstart Generator for CAP

5:00 - Scaffold Application

6:45 - Code Review - db

7:05 - Code Review - srv

9:50 - Code Review - app

10:14 - Code Review - package.json

11:20 - Code Review - xs-security.json

12:15 - Code Review - mta.yaml

14:33 - Build & Deploy


CAP - First Application II


Tutorial


In this video tutorial, Philip Mugglestone shows how to subscribe and configure tenants of the simple first multitenant application already built and deployed in part one.

https://youtu.be/zKaE4clgmu0?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:30 - Review Service Instances

1:26 - Review Application Log

2:30 - Create Tenant Subaccounts & Subscribe

4:30 - Trust Configuration - Assign Authorization

5:07 - Create & Map Routes

6:50 - Test Application

11:54 - Tear-down Application (Unsubscribe & Undeploy)


CAP - Routes


Tutorial


In this video tutorial, Philip Mugglestone shows how to use the Cloud Foundry RESTful API (CF API) to create consumer/tenant routes programmatically during the subscription process rather than having to create them manually using the BTP Cockpit or Cloud Foundry CLI.

https://youtu.be/Xjn09Ae7_Z8

Markers


0:00 - Introduction

0:42 - Scaffold Project

1:30 - Code Review - mta.yaml

2:25 - Code Review - provisioning.js

3:53 - CF API Documentation

4:30 - Build & Deploy

5:15 - Authorize CFAPI technical user

5:51 - Configure CFAPI destination

7:00 - Subscribe Tenant & Test Application

8:20 - Unsubscribe & Review Routes

8:38 - Review Logs


CAP - Dependencies


Tutorial


In this video tutorial, Philip Mugglestone shows how to work with dependencies in the context of multitenant business applications. Philip uses the destination service as an example of a multtenant aware reuse service and covers how to configure the relevant application callbacks as well as use the service in the application.

https://youtu.be/BscdmSlsLns?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:45 - Scaffold Project

1:52 - Code Review - mta.yaml

3:11 - Code Review - srv/provisioning.js

3:58 - Code Review - srv/catalog-service.js

4:18 - Code Review - package.json

4:51 - Build & Deploy

5:41 - Subscribe Tenants & Test Application

6:40 - Review, Configure & Test Destinations


CAP - Credential Store


Tutorial


In this video tutorial, Philip Mugglestone shows how to make use of the SAP Credential Store in the context of a multitenant application to securely manage technical user credentials and API keys.

https://youtu.be/JT2Xyzi9afg?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:45 - BTP Entitlements - SAP Credential Store

1:16 - Scaffold Project

3:40 - Review SAP Credential Store service instance

4:40 - Set CFAPI Credentials 5:25 - Code Review - mta.yaml

5:55 - Code Review - srv/provisioning.js

6:40 - Code Review - srv/lib/credStore.js

7:14 - Code Review - srv/catalog-service.js

8:01 - Build & Deploy

8:25 - Subscribe Tenant & Test Application


CAP - Extend


Tutorial


In this video tutorial, Philip Mugglestone shows how subscribers to a multitenant application can extend the data model and services of their tenant.

https://youtu.be/O0WZS-AIQh8?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:55 - Code Review

2:50 - Assign Role Collections

4:10 - cds extend

5:30 - Obtain Passcode

6:30 - cds extend --templates

7:40 - Code Review - db/extend.cds, db/new.cds, srv/extensions.cds

11:15 - cds activate

11:57 - Test Extensions

12:44 - Review Application Logs

13:45 - Apply Extensions to a Different Tenant


CAP - Custom Domain


Tutorial


In this video tutorial, Philip Mugglestone shows how to configure a multitenant business application with a custom domain. Philip scaffolds an example application and explains how to configure "wildcard" host mapping.

https://youtu.be/QkAZUTyXp6A?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:50 - Scaffold Project

1:53 - Code Review - mta.yaml

3:44 - Code Review - xs-security.json

4:35 - Code Review - srv/provisioning.js

5:35 - Review Jumpstart Generator Log - cf map-route


CAP - Local Development


Tutorial


In this video tutorial, Philip Mugglestone shows how to enable "local" development of multitenant business applications - in particular from SAP Business Application Studio.

https://youtu.be/YCesXwyGG_8?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:40 - Scaffold Project

1:10 - Configure redirect-uris in xs-security.json

2:10 - Build & Deploy

2:25 - Subscribe Tenants

3:55 - Set Authentication Strategy to JWT in package.json

4:40 - Install default-env plugin for CF CLI

5:20 - srv - cf de app-srv

6:05 - srv - cds watch

6:42 - app - cf de app

7:10 - Configure destinations, TENANT_HOST & EXTERNAL_REVERSE_PROXY in app/default-env.json

9:37 - npm run custom

10:20 - Test Locally Running Application


CAP - HDI (Under the Hood)


Tutorial


In this video tutorial, Philip Mugglestone shows how to find out more about SAP HANA Cloud HDI containers created for each subscriber tenant by the service instance of SAP Service Manager.

https://youtu.be/4EmKdQxAPOY?list=PLkzo92owKnVx3Sh0nemX8GoSNzJGfsWJM

Markers


0:00 - Introduction

0:45 - Review Service Manager Service Instance - HDI Containers

1:50 - Install SMSI plugin for CF CLI

2:30 - cf smsi -m -a

3:05 - SQLTools

3:20 - Connect & Review Tenant HDI Containers

4:05 - Change Data For a Tenant Subscriber

4:23 - Review Tenant HDI Containers

5:10 - Connect & Review _META_ HDI Container


BTP Multitenant CAP - Additional Services


Tutorial


In this video tutorial, Philip Mugglestone shows how to configure additional backend services as part of a CAP-based multitenant business application for performance, functional or scalability reasons. Both CAP-based and regular Node.js examples of additional services are configured.

https://youtu.be/NcSO3Y2VJ0U?list=PLkzo92owKnVwQ-0oT78691fqvHrYXd5oN

Markers


0:00 - Introduction

1:30 - Start CAP generator

2:35 - Source code review

12:10 - Build and deploy 

12:40 - Configure Destination service

13:35 - Register technical user

13:55 - Subscribe app

15:20 - Launch app

16:05 - Recap


Share and Connect


Questions? Please post as comment.

Useful? Give us a like and share on social media.

Thanks!

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Over the years, for the SAP HANA Academy, SAP’s Partner Innovation Lab, and à titre personnel, I have written a little over 300 posts here for the SAP Community. Some articles only reached a few readers. Others attracted quite a few more. For your reading pleasure and convenience, here is a curated list of posts which somehow managed to pass the 10k-view milestone and, as sign of current interest, still tickle the counters each month.

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