August 2018
Intermediate to advanced
352 pages
12h 30m
English
Content preview from Docker Cookbook - Second Edition
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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.
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