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NixOS in Production

The NixOS handbook for professional use ONLY

Gabriella Gonzalez

Want to use NixOS "for real" at work? Interested in learning one of the hottest emerging DevOps technologies? Jumpstart your professional career by reading this book authored by a professional user of NixOS.

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About

About

About the Book

This book is a guide to using NixOS in production that will help you answer the following questions:

- What real-world use cases does NixOS address better than the alternatives?

- What does a mature NixOS enterprise look like?

- How do I smoothly migrate an organization to adopt NixOS?

- What potential pitfalls of NixOS should I be mindful to avoid?

- How can I effectively support and debug NixOS when things go wrong?

I'm writing this book because I cultivated years of professional experience doing all of the above, back when no such resource existed. I learned NixOS the hard way and I'm writing this book so that you don't have to make the same mistakes I did.

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Categories

DevOpsInfrastructure as CodeFunctional Programming

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License

Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

Author

About the Author

Gabriella Gonzalez

Gabriella is best known as the creator of the Dhall configuration language and the "Haskell for all" functional programming blog. Professionally, she has years of experience leading a Haskell + Nix DevOps team and in her free time she headlines functional programming conferences and authors widely-used packages, tools, and technical guides.

Contents

Table of Contents

1Introduction

2What is NixOS for?

  1. Desktop vs. Server
  2. On-premises vs. Software as a service
  3. Virtualization
  4. The killer app for NixOS
  5. Profile of a NixOS adopter
  6. What does NixOS replace?

3The big picture

  1. The Zen of NixOS
  2. GitOps
  3. DevOps
  4. Architecture
  5. Scope

4Setting up your development environment

  1. Installing Nix
  2. Running a NixOS virtual machine

5Our first web server

  1. Hello, world!
  2. DevOps
  3. TODO list
  4. Passing through the filesystem

6NixOS option definitions

  1. Anatomy of a NixOS module
  2. Syntactic sugar
  3. NixOS modules are not language features
  4. NixOS
  5. Recursion

7Advanced option definitions

  1. Imports
  2. lib utilities

8Deploying to AWS using Terraform

  1. Configuring your access keys
  2. A minimal Terraform specification
  3. Deploying our configuration
  4. Cleaning up
  5. Terraform walkthrough
  6. S3 Backend
  7. Version control

9Continuous Integration and Deployment

  1. Continuous Integration
  2. Continuous Deployment

10Flakes

  1. Motivation
  2. Flakes, step-by-step
  3. Flake-related commands

11Integration testing

  1. NixOS test
  2. Interactive testing
  3. Shared constants

12Containers

  1. Docker registry
  2. Podman
  3. streamLayeredImage
  4. NixOS containers

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