August 2018
Intermediate to advanced
81 pages
1h 40m
English
book
Continuous Delivery with Spinnaker
by Emily Burns, Asher Feldman, Rob Fletcher, Tomas Lin, Justin Reynolds, Chris Sanden, Lars Wander, Rob Zienert
Content preview from Continuous Delivery with Spinnaker
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Chapter 1. Why Continuous Delivery?
Continuous delivery is the practice by which software changes can be deployed to production in a fast, safe, and automatic way.
In the continuous delivery world, releasing new functionality is not a world-shattering event where everyone in the company stops working for weeks following a code freeze and waits nervously around dashboards during the fateful minutes of deployment. Instead, releasing new software to users should be routine, boring, and so easy that it can happen many times a day.
In this chapter, we’ll describe the organizational and technical practices that enable continuous delivery. We hope that it convinces you of the benefits of a shorter release cycle and helps you understand the culture and practices that inform the delivery culture at Netflix and other similar organizations.
The Problem with Long Release Cycles
Dependencies drift. As undeployed code sits longer and longer, the libraries and services it depends upon move on. When it does come time to deploy those changes, unexpected issues will arise because library versions upstream have changed, or a service it talks to no longer has that compatible API.
People also move on. Once a feature has finished development, developers will naturally gravitate to the next project or set of features to work on. Information is no longer fresh in the minds of the creators, so if a problem does arise, they need to go back and investigate ideas from a month, six months, or a year ago. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.