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Learning Windows Server Containers

You're reading from   Learning Windows Server Containers Build and deploy high-quality portable apps faster

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781785887932
Length 404 pages
Edition 1st Edition
Languages
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Author (1):
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Srikanth Machiraju Srikanth Machiraju
Author Profile Icon Srikanth Machiraju
Srikanth Machiraju
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Toc

Table of Contents (13) Chapters Close

Preface 1. Exploring Virtualization FREE CHAPTER 2. Deploying First Container 3. Working with Container Images 4. Developing Container Applications 5. Deploying Container Applications 6. Storage Volumes 7. Redis Cache Containers 8. Container Network 9. Continuous Integration and Delivery 10. Manage Resource Allocation and REST API 11. Composite Containers and Clustering 12. Nano Server

Docker tags


Tagging helps developers to version images. An image can contain any number of tags. Developers or operators using the image can download/pull a particular version using the tag name. A tag name can consist of numbers, lowercase or uppercase alphabets, underscores, periods, and dashes. The following command creates a new image with v1.0 as the tag name and learningwsc/mycustomwebserver as the image name where learningwsc is the Docker Hub username and mycustomwebserver is the name of my image:

docker build -t learningwsc/mycustomwebserver:v1.0 .

The Docker daemon is intelligent enough to avoid downloads of redundant layers when working with multiple tags of the same image. When the users download the image with a tag, docker checks for existing layers on the host machine and the differential set of the image, or say only the latest layers are downloaded, this makes software really thin and easily portable.

If not specified the latest is used as the default tag. Tagging information...

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