GitOps and Kubernetes teaches you how to use Git and the GitOps methodology to manage a Kubernetes cluster. Summary GitOps and Kubernetes introduces a radical idea—managing your infrastructure with the same Git pull requests you use to manage your codebase. In this in-depth tutorial, you’ll learn to operate infrastructures based on powerful-but-complex technologies such as Kubernetes with the same Git version control tools most developers use daily. With these GitOps techniques and best practices, you’ll accelerate application development without compromising on security, easily roll back infrastructure changes, and seamlessly introduce new team members to your automation process. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology With GitOps you use the Git version control system to organize and manage your infrastructure just like any other codebase. It’s an excellent model for applications deployed as containers and pods on Kubernetes. About the book GitOps and Kubernetes teaches you how to use Git and the GitOps methodology to manage a Kubernetes cluster. The book interleaves theory with practice, presenting core Ops concepts alongside easy-to-implement techniques so you can put GitOps into action. Learn to develop pipelines that trace changes, roll back mistakes, and audit container deployment. What's inside Managing secrets the GitOps way Controlling access with Git, Kubernetes, and Pipeline Branching, namespaces, and configuration About the reader For developers and operations engineers familiar with continuous delivery, Git, and Kubernetes. About the author Billy Yuen, Alexander Matyushentsev, Todd Ekenstam, and Jesse Suen are principal engineers at Intuit. They are widely recognized for their work in GitOps for Kubernetes. Table of Contents PART 1 - BACKGROUND 1 Why GitOps? 2 Kubernetes & GitOps PART 2 - PATTERNS & PROCESSES 3 Environment Management 4 Pipelines 5 Deployment Strategies 6 Access Control & Security 7 Secrets 8 Observability PART 3 - TOOLS 9 Argo CD 10 Jenkins X 11 Flux
Wang Gungwu is one of the most influential historians of his generation. Initially renowned for his pioneering work on the structure of power in early imperial China, he is more widely known for expanding the horizons of Chinese history to include the histories of the Chinese and their descendents outside China. It is probably no coincidence, Philip Kuhn observes, that the most comprehensive historian of the Overseas Chinese is the historian most firmly grounded in the history of China itself. This book is a celebration of the life, work, and impact of Professor Wang Gungwu over the past four decades. It commemorates his contribution to the study of Chinese history and the abiding influence he has exercised over later generations of historians, particularly in the Asia-Pacific region. The book begins with an historiographical survey by Philip Kuhn (Francis Lee Higginson Professor of History at Harvard University) of Wang Gungwu's enduring contribution to scholarship. It concludes with an engaging oral history of Professor Wang's life, career, and research trajectory. The intervening chapters explore many of the fields in which Wang Gungwu's influence has been felt over the years, including questions of political authority, national identity, commercial life, and the history of the diaspora from imperial times to the present day. Each of these chapters is authored by a former student of Professor Wang, now working and teaching in Hong Kong, Southeast Asia, Australasia, Taiwan and Canada.
Prosperity signifies success in economic performance. Economic performance always takes place in a spatial context. And institutions matter in economic performance. These three interwoven themes underlie this inquiry into the regional economy of southern Fukien province during the Sung and Yuan dynasties, when the area was one of the most prosperous regions in China. Through a meticulous reading of the sources, the author seeks to understand the meaning of prosperity in the premodern Chinese context and argues that we have to understand economic performance as a process occurring in space and influenced by institutions, which affect economic actors particularly through the means of transaction costs.
In 1961, President John F. Kennedy issued a challenge: the United States would land a man on the moon and return him safely to Earth before the end of the decade. It seemed like an impossible task and one that the Russians—who had launched the first satellite and put the first man into Earth orbit—would surely perform before us. The ingenuity, passion, and sacrifice of thousands of ordinary men and women, from all walks of life, enabled the space program to meet this extraordinary goal. In all, six crews would land on the moon before Congress withdrew financial backing for the program. This is the story of the men and women who worked behind the scenes, without fanfare or recognition, to make these missions a success. Thirty years later, they still speak of Apollo with pride, sometimes even awe. After Apollo moonwalker John Young told journalist Billy Watkins in a 1999 interview that nobody knows anything about the people who helped make those flights so successful, Watkins made it his mission to identify the unsung heroes and learn their stories. His subjects include: Julian Scheer (NASA publicist); Sonny Morea, lead designer of the Lunar Rover; Hugh Brown, one of the few African Americans who worked on the Apollo program; JoAnn Morgan, one of the few women involved in the space program; Joan Roosa, widow of Apollo 14 astronaut Stuart Roosa; Joe Schmitt, veteran suit technician was responsible for making sure the suits were leak-proof and hooked up correctly; Joseph Laitin, who came up with the idea for the Apollo 8 astronauts to read the first ten verses of Genesis during their Christmas Eve television broadcast from the moon; and Clancy Hatelberg, the Navy diver, who plucked the first humans to walk on the moon from the Pacific Ocean after the Apollo 11 landing.
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