Docker introduction

docker.md

Docker

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Objectives

• Define Docker
• Describe the difference between VM vs Containers
• Define Images and Containers
• Use docker for development and deployment

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What is Docker?

Package your application into a standardized unit for software development

• Build once (finally), run anywhere
• Configure once, run anything

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VM vs Containers

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VM Demo

• VirtualBox

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Images

An image is an inert, immutable, file that's essentially a snapshot of a container.

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Docker Demo

• Docker Run
  • -v, -p, --name, bin/bash...
• Dockerfile

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Exercise

Use Docker to run a previous app