You're reading from Kubernetes and Docker - An Enterprise Guide Effectively containerize applications, integrate enterprise systems, and scale applications in your enterprise

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781839213403

Length 526 pages

Edition 1st Edition

Tools

Docker

Concepts

Cloud Computing

Authors (2):

Marc Boorshtein

Scott Surovich

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Table of Contents (20) Chapters

Preface

1. Section 1: Docker and Container Fundamentals

2. Chapter 1: Docker and Container Essentials FREE CHAPTER

3. Chapter 2: Working with Docker Data

4. Chapter 3: Understanding Docker Networking

5. Section 2: Creating Kubernetes Development Clusters, Understanding objects, and Exposing Services

6. Chapter 4: Deploying Kubernetes Using KinD

7. Chapter 5: Kubernetes Bootcamp

8. Chapter 6: Services, Load Balancing, and External DNS

9. Section 3: Running Kubernetes in the Enterprise

10. Chapter 7: Integrating Authentication into Your Cluster

11. Chapter 8: RBAC Policies and Auditing

12. Chapter 9: Deploying a Secured Kubernetes Dashboard

13. Chapter 10: Creating PodSecurityPolicies

14. Chapter 11: Extending Security Using Open Policy Agent

15. Chapter 12: Auditing using Falco and EFK

16. Chapter 13: Backing Up Workloads

17. Chapter 14: Provisioning a Platform

18. Assessments

19. Other Books You May Enjoy

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Docker tmpfs mounts

At the beginning of this chapter, we mentioned that Docker allows you to use the host's RAM as a temporary storage location for container data. This type of mount will not persist data but for the right workload, it can be a very useful storage location. tmpfs offers a few unique advantages that are not available in volumes or bind mounts:

The size can be pre-defined to limit the amount of RAM that is consumed for storage.
Offers very fast data access.

There are also some limitations to tmpfs mounts:

They are only available on Linux; Windows is not supported.
A single tmpfs can only be mounted to one container.

Using a tmpfs mount in a container

A container can be started with a tmpfs mount by adding either --mount or using the --tmpfs option. In general, you should use the --mount option by default since --tmpfs does not allow for any customizations on the mount. If you use --tmpfs, you will not be able to set a size...