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Learn Docker in a Month of Lunches
book

Learn Docker in a Month of Lunches

by Elton Stoneman
July 2020
Beginner content levelBeginner
464 pages
12h 39m
English
Manning Publications
Content preview from Learn Docker in a Month of Lunches

17 Optimizing your Docker images for size, speed, and security

Once you have your apps containerized and working well in a cluster, you may think that you’re good to go to production, but there are some best practices you still need to invest time in. Optimizing your Docker images is one of the most important, because you need your builds and deployments to be fast, your application content to be secure, and your evenings free to call your own--you do not want to be paged at 2 a.m. when your servers have run out of disk space. The Dockerfile syntax is small and intuitive, but it hides some complexity that you need to understand to make the most of your image builds.

This chapter will take you through the finer details of the image format so ...

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