Dhanushka Madushan - Cloud Native Applications with Ballerina: A guide for programmers interested in developing cloud native applications using Ballerina Swan Lake

A guide for programmers interested in developing cloud native applications using Ballerina Swan Lake

Dhanushka Madushan

BIRMINGHAMMUMBAI

Copyright 2021 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

Group Product Manager: Richa Tripathi

Publishing Product Manager: Sathyanarayanan Ellapulli

Senior Editor: Rohit Singh

Content Development Editor: Vaishali Ramkumar

Technical Editor: Karan Solanki

Copy Editor: Safis Editing

Project Coordinator: Deeksha Thakkar

Proofreader: Safis Editing

Indexer: Pratik Shirodkar

Production Designer: Shyam Sundar Korumilli

First published: September 2021

Production reference: 1210921

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham

B3 2PB, UK.

ISBN 978-1-80020-063-0

www.packt.com

To my mother and father

Dhanushka Madushan

Dhanushka Madushan is a senior software engineer at WSO2 and has a bachelor of engineering qualification from the Department of Computer Science and Engineering, University of Moratuwa. He has 5+ years' experience in developing software solutions for cloud-based platforms in different business domains. He has worked on the WSO2 integration platform for 3+ years and is responsible for building and maintaining integration products. He often writes blogs about the latest cutting-edge, cloud native-related technologies using his experience of working on many open source projects, including Micro-integrator, WSO2 ESB, and Apache Synapse, as well as development of the Choreo iPaaS platform and the Zeptolytic SaaS data analytics platform. Dhanushka's extensive exposure to cloud native-related technologies, including Docker, Kubernetes, Jenkins, AWS, and multiple observability tools, is a key area of expertise.

First and foremost, my thanks go to my loving parents who have supported me throughout the long journey of writing this book. Next, my thanks extend to Sameera Jayasoma and all Ballerina team members for supporting me whenever I had questions. I especially need to thank Lakmal Warusawithana and Anjana Fernando for the support given in the initial drafting and code sample creation process. Also, I would like to thank the technical reviewers, Nadeeshaan Gunasinghe, Joy Rathnayake, Shiroshica Kulatilake, and Shenavi de Mel, for the amazing work they have done. I would also extend my gratitude to the Packt team who supported and guided me throughout the process of publishing this book. Finally, I would like to thank Dr. Sanjeewa Weerawarna for founding and this awesome programming language.

Nadeeshaan Gunasinghe is a technical lead at WSO2 with over 6 years' experience in enterprise integration, programming languages, and developer tooling. Nadeeshaan leads the Ballerina Language Server team and is also a key contributor to Ballerina, which is an open source programming language and platform for the cloud era, as well as being an active contributor to the WSO2 Enterprise Service Bus. He is also passionate about sports, football and cricket in particular.

Joy Rathnayake is a solutions architect with over 16 years' industry experience and is part of the solution architecture team at WSO2, based in Colombo, Sri Lanka. He is primarily responsible for understanding customer requirements, identifying the products/technologies required, and defining the overall solution design/architecture.

Joy has been recognized as both a Microsoft Most Valuable Professional (MVP) and Microsoft Certified Trainer (MCT). He was the first to hold both MVP and MCT recognitions in Sri Lanka. He has contributed to developing content for Microsoft Certifications and has worked as a Subject Matter Expert (SME) for many Microsoft exam development projects. He has contributed a lot to the community by presenting at various events, including Tech-Ed Europe, Tech-Ed Southeast Asia, Tech-Ed Sri Lanka, Tech-Ed India, Tech-Ed Malaysia, Southeast Asia SharePoint Conference, and SharePoint Saturday. He enjoys traveling, speaking at public events/conferences, and reading.

Connect with him on LinkedIn at https://www.linkedin.com/in/joyrathnayake/.

Shiroshica Kulatilake is a solutions architect at WSO2 where she works with customers around the world to provide middleware solutions on the WSO2 stack for digital transformation projects. In her work, she is involved with real-world problems that organizations face in a rapidly changing digital world and gets the opportunity to help these organizations achieve what they require in their business from a technological standpoint. Her expertise lies in API Management, API Security, Integration, and EIPaaS. She started her career as a software engineer and is still passionate about the nitty-gritty aspects of building things, with her current focus being microservice architectures.

Shenavi de Mel is an experienced software solutions engineer with 7+ years' experience working in the computer software industry. She is passionate about building great customer relationships and enhancing her knowledge of the field. She has extensive hands-on experience in many development languages and technologies, including Java, Jaggery, Ballerina, JavaScript/jQuery, SQL, PHP, HTML, Docker, and Kubernetes. Currently, she is working as a lead solutions engineer as part of the solutions engineering team, assisting customers in implementing their solutions using the WSO2 platform. She is also very familiar with API management, integration, and identity protocols, having spent the majority of her career working at WSO2, one of the leading companies as regards middleware and open source technology.