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@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
Everyone Loves Docker Containers
Before They Understand Docker
Containers
Alex Mang
Microsoft Azure MVP
KeyTicket Solutions
@mangalexandru
@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
Many thanks to our sponsors & partners!
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Vista
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@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
WHAT IS DOCKER?
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• Code + Runtime + System
tools + System libs
in a single package
• Code runs the same, always,
regardless of environment
What Is Docker?
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Ligh
twei
ght • Shared kernel
• Layered filesytem O
pen •Runs both on
Linux and Windows
Secu
re •Apps are isolated from each other and the underlying infrastructure
Why Docker?
@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
• Developers can build apps in ANY LANGUAGE using ANY TOOLCHAIN
• Dockerized apps are portable
–They can run on your PC, on a colleague’s iMac, on QA servers running Ubuntu, in production VMs running RedHat
• There’s a “NuGet” for Docker with 13K+ apps to build upon
• Docker helps devs build and ship high-quality apps
Why Do Developers Like It?
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• Sysadmins use Docker to provide standardized environments for development, QA and production teams
• No more “works on my machine” finger-pointing
• With “Dockerized” apps, sysadmins abstract away differences in OS distributions and underlying infrastructure
• Workload deployment is not constrained by infrastructure technology
Why Do Sysadmins Like It?
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VMs vs. Docker
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Docker Architecture
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Docker Installation
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• docker (as a CLI)
• docker-Machine (as yet another CLI)
• docker
–Start, stop, kill etc. containers
• docker-machine
– Install and run Docker (engine!) on Mac and Windows
–Provision and manage multiple remote Docker hosts
Docker clients
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Two broad use cases:
1. ‘I want to use Docker on Mac or Windows’
2. ‘I want to use Docker on remote systems’
docker-machine
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• When people refer to Docker, they mean “Docker
Engine”
–Client-server application made up of a daemon, a REST
API and a CLI
–Docker Engine takes docker commands from the CLI
• Docker Machine is a tool for provisioning and
managing “Dockerized” hosts
–You use it to install Docker Engine locally or remotely
Docker Engine vs. Docker Machine
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USING DOCKER DEMO
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CONTAINERS ON AZURE
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Q & A
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@ITCAMPRO #ITCAMP16Community Conference for IT Professionals
Alex Mang@mangalexandru
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