September 2022
Intermediate to advanced
460 pages
11h 33m
English
Content preview from Terraform: Up and Running, 3rd Edition
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Chapter 1. Why Terraform
Software isn’t done when the code is working on your computer. It’s not done when the tests pass. And it’s not done when someone gives you a “ship it” on a code review. Software isn’t done until you deliver it to the user.
Software delivery consists of all of the work you need to do to make the code available to a customer, such as running that code on production servers, making the code resilient to outages and traffic spikes, and protecting the code from attackers. Before you dive into the details of Terraform, it’s worth taking a step back to see where Terraform fits into the bigger picture of software delivery.
In this chapter, you’ll dive into the following topics:
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What is DevOps?
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What is infrastructure as code?
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What are the benefits of infrastructure as code?
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How does Terraform work?
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How does Terraform compare to other infrastructure-as-code tools?
What Is DevOps?
In the not-so-distant past, if you wanted to build a software company, you also needed to manage a lot of hardware. You would set up cabinets and racks, load them up with servers, hook up wiring, install cooling, build redundant power systems, and so on. It made sense to have one team, typically called Developers (“Devs”), dedicated to writing the software, and a separate team, typically called Operations (“Ops”), dedicated to managing this hardware.
The typical Dev team would build an application and “toss it over the wall” to the Ops team. It was then up to Ops to figure ...
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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.