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Docker Cookbook

Docker Cookbook

By : Cochrane, Jeeva S. Chelladhurai, K Khare
3.5 (2)
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Docker Cookbook

Docker Cookbook

3.5 (2)
By: Cochrane, Jeeva S. Chelladhurai, K Khare

Overview of this book

Docker is an open source tool used for creating, deploying, and running applications using containers. With more than 100 self-contained tutorials, this book examines common pain points and best practices for developers building distributed applications with Docker. Each recipe in this book addresses a specific problem and offers a proven, best practice solution with insights into how it works, so that you can modify the code and configuration files to suit your needs. The Docker Cookbook begins by guiding you in setting up Docker in different environments and explains how to work with its containers and images. You’ll understand Docker orchestration, networking, security, and hosting platforms for effective collaboration and efficient deployment. The book also covers tips and tricks and new Docker features that support a range of other cloud offerings. By the end of this book, you’ll be able to package and deploy end-to-end distributed applications with Docker and be well-versed with best practice solutions for common development problems.
Table of Contents (13 chapters)
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Building an image using a Dockerfile

The Dockerfile is a text-based build instruction file that enables us to define the content of the Docker image and automate image creation. The Docker build engine reads the instruction in the Dockerfile line by line and constructs the image as prescribed. In other words, Dockerfile helps us to craft an image repeatedly in an automated fashion. The images created using Dockerfiles are considered immutable.

Getting ready

Before we begin, we need a Dockerfile with build instructions. To make one, we need to go through the following steps:

  1. Create an empty directory:
       $ mkdir sample_image
       $ cd sample_image
  
  1. Create a file named Dockerfile with the following content:
  ...
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