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  • Book Overview & Buying The Docker Workshop
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The Docker Workshop

The Docker Workshop

By : Vincent Sesto, Onur Yılmaz, Sathsara Sarathchandra, Aric Renzo, Engy Fouda
5 (9)
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The Docker Workshop

The Docker Workshop

5 (9)
By: Vincent Sesto, Onur Yılmaz, Sathsara Sarathchandra, Aric Renzo, Engy Fouda

Overview of this book

No doubt Docker Containers are the future of highly-scalable software systems and have cost and runtime efficient supporting infrastructure. But learning it might look complex as it comes with many technicalities. This is where The Docker Workshop will help you. Through this workshop, you’ll quickly learn how to work with containers and Docker with the help of practical activities.? The workshop starts with Docker containers, enabling you to understand how it works. You’ll run third party Docker images and also create your own images using Dockerfiles and multi-stage Dockerfiles. Next, you’ll create environments for Docker images, and expedite your deployment and testing process with Continuous Integration. Moving ahead, you’ll tap into interesting topics and learn how to implement production-ready environments using Docker Swarm. You’ll also apply best practices to secure Docker images and to ensure that production environments are running at maximum capacity. Towards the end, you’ll gather skills to successfully move Docker from development to testing, and then into production. While doing so, you’ll learn how to troubleshoot issues, clear up resource bottlenecks and optimize the performance of services. By the end of this workshop, you’ll be able to utilize Docker containers in real-world use cases.
Table of Contents (17 chapters)
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Preface

Introduction

In the previous chapter, we learned about Docker registries, including private and public registries. We created our own private Docker registry to store the Docker images. We also learned how to set up access and store our Docker images in the Docker Hub. In this chapter, we will be discussing the concept of multi-stage Dockerfiles.

Multi-stage Dockerfiles are a feature introduced in Docker version 17.05. This feature is preferable when we want to optimize Docker image size while running Docker images in production environments. To achieve this, a multi-stage Dockerfile will create multiple intermediate Docker images during the build process and selectively copy only essential artifacts from one stage to the other.

Before multi-stage Docker builds were introduced, the builder pattern was used to optimize the Docker image size. Unlike multi-stage builds, the builder pattern needs two Dockerfiles and a shell script to create efficient Docker images.

In this chapter...

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The Docker Workshop
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