Introduction to Docker for Sitecore developers, sys admins, and managers. Docker history, use cases, use of Docker with Sitecore. Overview of Mongo and Solr on Docker with Sitecore. Shipping Sitecore code using Docker, Continuous Integration, and Immutable Infrastructure in today's CMS development. Docker makes DevOps a reality!

1. Organized by the Community, for the Community.
HARNESSTHE POWER OF
CONTAINERS
VASILIY FOMICHEV
SOLUTIONSARCHITECT

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VASILIY FOMICHEV
SOLUTIONARCHITECT
VERNDALE
• Sitecore Technology MVP
• Technology enthusiast
• Passionate about innovation
innovation
• cmsbestpractices.com
https://www.linkedin.com/in/vasiliyfomichev
@vasiliyfomichev
INTRODUCTION

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WHAT ARE WE LOOKING AT?
TODAY’S DEVELOPMENT MODEL
WHAT ARE “CONTAINERS”
HOW CAN DOCKER HELP INTHE SITECOREWORLD?
DOCKERAND DISTRIBUTED DEVELOPMENT MODEL
DEMOS
SOLR ON DOCKER
MONGO ON DOCKER
WHERE ISTHIS HEADED?

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WHAT’STHE PROBLEM?

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DEVOPS CHALLENGES
• Local environment setups are getting more complex
• Environment differences allow for bugs in applications
• Manual setup it too complex and time consuming
• Human error
• Scalability issues on prem
• Inability to reproduce production environment locally for
debugging
• Inability to easily sync all Sitecore environments
• Lack of QA and other types of reproducibility

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WHAT ARE “CONTAINERS”?

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BEFORE CONTAINER STANDARDS

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SHIPPING CONTAINERS INVENTED
https://en.wikipedia.org/wiki/Malcom_McLean
In 1956, most cargo was loaded and
unloaded by hand. Hand-loading a ship cost
$5.86 a ton.
Malcom McLean born in 1913 developed the
modern intermodal shipping container,
which revolutionized transport and
international trade.
McLean knew "A ship earns money only
when she's at sea," and based his business
on that efficiency.
Using containers, it cost only 16 cents a ton,
a 39-fold savings. Containerization also
greatly reduced the time to load and unload
ships, improving reliability.

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HOSTING CONTAINERS

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Staging
PersistenceCachingFront
End
Logic
ProductionUAT
CachingFront
End
Logic
Front
End
Logic
Caching
Mobile Field ForceApp
Persistence
CachingFront
End
Logic
Front
End
Logic
Logic
Caching
Persistence
Front
End
Logic
Caching
Warranty Repair App
Persistence
Front
End
Logic
Front
End
Image Management
Persistence
Front
End
Image
Proc
Caching
Docker Images
PersistenceCachingFront
End
Logic
Logic
Logic
PersistenceCachingFront
End
Logic PersistenceCachingFront
End
Logic

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DOCKER IS GROWING (18,000%
GROWTH)

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ENTERPRISES RAPIDLY ADOPTING
DOCKER
Small, 30%
Midsize, 15%
Large, 56%
Company Sizes Using Docker

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CONTAINER !=VM
• VM’s
– Full instances of the entire OS
– Not easily multi-instanced ~SysPrep
• Containers
– Layered elements of the OS + Components
– Easily Duplicated, Start/Stop
– Lightweight OS (Tiny Core Linux &Windows Server Core)

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HOWTINY ISTINY?
• ~24MB download!Whaaaat?!
• Runs completely from RAM
• Minimal Requirements:
– 46MB of RAM
– i486DX CPU (introduced in 1989, 50MHz, 8KB cache)
• Recommended Requirements:
– 128MB+ of RAM
– Pentium 2 CPU
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SERVER CORE REQUIREMENTS
• Minimum Requirement:
– 256-512MB of RAM
– 1GHz (x86) or 1.4Ghz (x64)CPU
• Recommended
– 512MB+
– 2GHz+CPU
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CONTAINER COMPARISON
• Immutable infrastructure!
• Fast startup (lightning fast!)
• Portable & light-weight
• A unit of deployment
• Ease of creation
• Each container can become a portion of the entire app
– May have multiple containers that make up one or more than
one app

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WHY CONTAINERS?
Developers
Enable ‘write-once, run-anywhere’ apps
Enables microservice architectures
Great for dev/test of apps and services
(thousands available from Docker)
Reproducibility
Operations
Portability, Portability, Portability
Standardized development, QA, and prod
environments
Abstract differences in OS distributions and
underlying infrastructure
Easily scale-up and scale-down in response
to changing business needs
DevOps

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HOSTING CONTAINERS
Locally with:
• DockerToolbox (Linux)
• HyperV (Windows)
Physical Servers
• Linux (Linux)
• Windows 2016TP3
(Windows)
Clouds
• Azure (Linux &Windows)
AzureOn Premises Service ProviderLocally

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DOCKER DISTRIBUTION

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DOCKERFILE

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WINDOWS SERVER CONTAINERS
Creation, deployment, and management
Developers
Containers pushed to
central repository
Operations automates
deployment and
monitors deployed apps
from central repository
Operations collaborates with developers
to provide app metrics and insights
Developers update, iterate,
and deploy updated
containers

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Microsoft Cloud
Azure On Premises Service Provider
Container Technologies
Container Management
PowerShell OthersDocker
Development
Environment
s
Others…

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SITECORE AND CONTAINERS

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MONGO ON DOCKER
• Simple configuration
– Single instance
– Replica set (development)
• Scaled configuration
– Scale horizontally
– Sharding
– Replica sets

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SOLR ON DOCKER
• Simple configuration
– Single instance
– Solr Cloud (development)
• Scaled Configuration
– Scale horizontally
– Sharding
– Replica sets
– Cloud

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SITECORE ON DOCKER (COMING!)
• SimpleConfiguration
– Single instance
– Scaled CD/CM environments (development)
• Scaled configuration
– Highly scaled infrastructure
– Load balanced server instances

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DOCKER HUB
• Docker Hub
– Base repository
– Private vs Public
– Solr for Sitecore

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COMMON QUESTIONS

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1. Docker client versus host
– Docker client is a command line interface (CLI) Docker
– Docker host is a Linux/WindowsVM running Docker daemon
2. Docker Linux andWindows hosts
– You can only create the same container as the underlying hostVM - Linux host = Linux containers
3. Docker Image vs Docker Container
– Image =The definition – literally a single file [MyWebsite]
– Container – An instance of an image [3 instances of MyWebsite]
4. Cloud Registry Service and Public Image Repos
– Unlimited public repos, one free private or buy private repos
– 50,000+ images -Wordpress, Nginx, Redis, MySQL, Logstash, and your images!
– DockerTrusted Registry – Dedicated registry application deployable on-premise or direct fromAzure
Marketplace
5 COMMON DOCKER QUESTIONS

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5 COMMON DOCKER QUESTIONS
5. Deployments replace instead of update
“Immutable infrastructure”
Website
Update your app using
Web Deploy or CI/CD
Docker
Replace running
containers using CI/CD,
Don’t update the old
container

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MODULAR DESIGN

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MOVINGTO MODULAR DESIGN
• How will you move your website?

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THINK CONTAINERS
• How will your app scale?

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Front End
Logic
Caching
Persistenc
e
IDENTIFYTHE SCALING BOUNDARIES

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IDENTIFYTHE SCALING BOUNDARIES
Email
Campaigns
Product
Mgmnt
Custome
r Service
Basket
Mgmnt
Payment
Gateway
Product
Info
Shopper
Profile
Order
StatusLogic
Order
Status
Basket
Mgmnt
Checkout
Back
Office
Customer
Mgmnt
Product
Info
Front End
Caching
Persistenc
e

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Basket
Mgmnt
Payment
Gateway
Product
Info
Shopper
Profile
Basket
Mgmnt
Checkout
Product
Info
Basket
Mgmnt
Payment
Gateway
Product
Info
Shopper
Profile
Basket
Mgmnt
Checkout
Product
Info
Caching
Persistenc
e
Email
Campaigns
Product
Mgmnt
Custome
r Service
Order
Status
Order
Status
Back
Office
Customer
Mgmnt
Basket
Mgmnt
Payment
Gateway
Product
Info
Shopper
Profile
Basket
Mgmnt
Checkout
Product
Info
IDENTIFYTHE SCALING BOUNDARIES

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PREPARE, PREPARE, PREPARE
• Think Modular Design
• Think “micro services”
• Think “Composable”

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COMPLEMENTARYTOOLS

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SOME OTHER DOCKER CONCEPTS
Compose
Define and deploy a multi-container
application
Swarm
Pool of hosts treated as a single unit, control over
multi-container environments

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DOCKER COMPOSE EXAMPLE

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DOCKER SWARM
• Adds a collection of virtual machines into one logical
cluster.
• Same DockerAPI
• Elect a leader to receive commands and send to cluster
• Scheduler
– Constraints – set a label on aVM/Node so matching containers use thatVM
(ex: region=us-west)
– Affinities – Filters for labels, image, containers
– ex: -e affinity:container==frontend)
• Various Strategies

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WRAPPING UP
• Containers Ease Development & Ops
• Force a conversation of scalable design
• Ease of movement (On Prem, AWS, Azure)
• Immutable Infrastructure
• Use Docker Hub repositories for base images
• Run Solr and Mongo in containers
• Run Sitecore in containers (coming soon) Really soon!

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THANKYOUTO OUR SPONSORS!

46. Organized by the Community, for the Community.SUGCON NORTH AMERICA 2015
THANKYOU!
https://www.linkedin.com/in/vasiliyfomichev
@vasiliyfomichev
VASILIY FOMICHEV
SOLUTIONSARCHITECT
http://content.verndale.com/sugconvasiliy
http://www.cmsbestpractices.com
Special thanks to Steve Lasker, Microsoft