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Chapter 1. Overview

This guide explains how to make your Docker workflow more secure. There is no one-size-fits-all solution to the problem of securing a workflow.

Because there is no single solution for securing your container workflow, you need to understand the tools and strategies that you can use to improve your Docker workflow’s security. The general strategy for doing this is to reduce the number of potential attack vectors in your Docker infrastructure available to malicious agents.

This guide will provide you with the fundamentals you need to understand the interaction between security practices and the Docker ecosystem. This guide will furnish you with the tools and strategies you need to find the security solution that works best with your Docker workflow.

This is the general strategy for securing containers: avoid untrusted content, keep containers up-to-date, leverage SELinux, minimize attack surface, and use virtualization.

The containerization ecosystem is developing, and it changes fast. This guide is intended to make the containerization ecosystem legible to you in order to help you make the best choices for your own implementation of containerization.