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Kubernetes on AWS

You're reading from   Kubernetes on AWS Deploy and manage production-ready Kubernetes clusters on AWS

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Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781788390071
Length 270 pages
Edition 1st Edition
Tools
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Author (1):
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Ed Robinson Ed Robinson
Author Profile Icon Ed Robinson
Ed Robinson
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Table of Contents (12) Chapters Close

Preface 1. Google's Infrastructure for the Rest of Us FREE CHAPTER 2. Start Your Engines 3. Reach for the Cloud 4. Managing Change in Your Applications 5. Managing Complex Applications with Helm 6. Planning for Production 7. A Production-Ready Cluster 8. Sorry My App Ate the Cluster 9. Storing State 10. Managing Container Images 11. Other Books You May Enjoy

Labelling images

If you have an even moderately complex workflow for developing and releasing your software, you might quickly find yourself wanting to add even more semantic information about your images into its tag than just a simple version number. This can quickly become unwieldy, as you will need to modify your build and deployment tooling whenever you want to add some extra information.

Thankfully, Docker images carry around labels that can be used to store whatever metadata is relevant to your image.

Adding a label to your image is done at build time, using the LABEL instruction in your Dockerfile. The LABEL instruction accepts multiple key value pairs in this format:

LABEL <key>=<value> <key>=<value> ... 

Using this instruction, we can store any arbitrary metadata that we find useful on our images. And because the metadata is stored inside the...

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