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About the authors

Shivakumar Gopalakrishnan is a DevOps architect at Varian Medical Systems. He has introduced Docker, Kubernetes, and other cloud-native tools to Varian's product development work to enable an everything-as-code approach. He is highly experienced in software development in a variety of fields, including networking, storage, medical imaging, and DevOps. He has developed scalable storage appliances for medical imaging needs and helped architect cloud ease solutions. He has enabled teams in large, highly regulated medical enterprises to adopt modern Agile/DevOps methodologies. He holds a Bachelor's degree in engineering from the College of Engineering, Guindy, and a Master's degree in science from the University of Maryland, College Park.

Thanks to all in the open source movement who constantly “chop wood and carry water”. This book would not be possible without leveraging open source frameworks, samples, and documentation.

Thank you to my wonderful wife Asha, who took care of everything else so that I could focus on this book.

Thanks to Nikhil and Adil for helping me in all the ways that they could, including listening to me rambling about Config maps and Ingress.

Gunther Lenz is the Senior Director of the Technology Office at Varian. He is an innovative software research and development leader, an architect, an MBA graduate, a published author, a public speaker, and a strategic tech visionary with over 20 years' experience.

He has successfully led large, innovative, and transformational software development and DevOps teams of 50+ members. He has defined and led teams throughout the entire software product life cycle using ground-breaking processes, tools, and technologies. He was a Microsoft Most Valuable Professional for Software Architecture (one of the only 180 globally) from 2005 to 2008. Gunther has published two books: .NET-A Complete Development Cycle and Practical Software Factories in .NET.