Book Image

Docker for Developers

By : Richard Bullington-McGuire, Andrew K. Dennis, Michael Schwartz
2 (1)
Book Image

Docker for Developers

2 (1)
By: Richard Bullington-McGuire, Andrew K. Dennis, Michael Schwartz

Overview of this book

Docker is the de facto standard for containerizing apps, and with an increasing number of software projects migrating to containers, it is crucial for engineers and DevOps teams to understand how to build, deploy, and secure Docker environments effectively. Docker for Developers will help you understand Docker containers from scratch while taking you through best practices and showing you how to address security concerns. Starting with an introduction to Docker, you’ll learn how to use containers and VirtualBox for development. You’ll explore how containers work and develop projects within them after you’ve explored different ways to deploy and run containers. The book will also show you how to use Docker containers in production in both single-host set-ups and in clusters and deploy them using Jenkins, Kubernetes, and Spinnaker. As you advance, you’ll get to grips with monitoring, securing, and scaling Docker using tools such as Prometheus and Grafana. Later, you’ll be able to deploy Docker containers to a variety of environments, including the cloud-native Amazon Elastic Kubernetes Service (Amazon EKS), before finally delving into Docker security concepts and best practices. By the end of the Docker book, you’ll be able to not only work in a container-driven environment confidently but also use Docker for both new and existing projects.
Table of Contents (21 chapters)
1
Section 1: An Introduction to Docker – Containers and Local Development
6
Section 2: Running Docker in Production
14
Section 3: Docker Security – Securing Your Containers

Scanning and monitoring – cloud and DevOps security for containers

Before we begin to look at specific tools for monitoring and scanning your containers, we shall first define exactly what we mean by the term monitoring in a security context.

As you have seen throughout this book, containers provide a mechanism to serve up applications in small self-contained environments. However, we need to ensure that released software does not suffer from performance degradation while running. For example, we need to know if a container is consuming a lot of resources and thereby impacting the overall performance of our environment. You may already have some understanding of this concept from Chapter 10, Monitoring Docker Using Prometheus, Grafana, and Jaeger.

Additionally, monitoring allows us to look for anomalies that may indicate that the system is under attack or has been compromised in some fashion. While elsewhere in this book monitoring has been focused on ensuring system stability...