Vasiliy Fomichev - Harness the Power of Containers - SUGCON

Organized by the Community, for the Community.

HARNESS THE POWER OF CONTAINERS

VASILIY FOMICHEVSOLUTIONS ARCHITECT

Organized by the Community, for the Community.SUGCON NORTH AMERICA 2015SUGCON NORTH AMERICA 2015 2

VASILIY FOMICHEVSOLUTION ARCHITECTVERNDALE

• Sitecore Technology MVP

• Technology enthusiast• Passionate about

innovation• cmsbestpractices.com

https://www.linkedin.com/in/vasiliyfomichev

@vasiliyfomichev

INTRODUCTION

Organized by the Community, for the Community.SUGCON NORTH AMERICA 2015 3

WHAT ARE WE LOOKING AT?

TODAY’S DEVELOPMENT MODELWHAT ARE “CONTAINERS”HOW CAN DOCKER HELP IN THE SITECORE WORLD?DOCKER AND DISTRIBUTED DEVELOPMENT MODELDEMOS

SOLR ON DOCKERMONGO ON DOCKER

WHERE IS THIS HEADED?


WHAT’S THE PROBLEM?


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


WHAT ARE “CONTAINERS”?


BEFORE CONTAINER STANDARDS


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.

Organized by the Community, for the Community.SUGCON NORTH AMERICA 2015


HOSTING CONTAINERS


Staging

PersistenceCachingFront End

Logic

ProductionUAT

CachingFront End

Logic

Front End

Logic

Caching

Mobile Field Force App

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


Logic

Logic

Logic


Logic PersistenceCachingFront End

Logic


DOCKER IS GROWING (18,000% GROWTH)


ENTERPRISES RAPIDLY ADOPTING DOCKER

Small, 30%

Midsize, 15%

Large, 56%

Company Sizes Using Docker


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)


HOW TINY IS TINY?

• ~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


WHY CONTAINERS?

Developers

Enable ‘write-‐once, run-‐anywhere’ appsEnables microservicearchitecturesGreat for dev/test of apps and services (thousands available from Docker)Reproducibility

Operations

Portability, Portability, PortabilityStandardized development, QA, and prod environmentsAbstract differences in OS distributions and underlying infrastructureEasily scale-‐up and scale-‐down in response to changing business needs

DevOps


HOSTING CONTAINERS

Locally with:• Docker Toolbox (Linux)

• Hyper V (Windows)

Physical Servers• Linux (Linux)

• Windows 2016 TP3 (Windows)

Clouds• Azure (Linux & Windows)

AzureOn Premises Service ProviderLocally


DOCKER DISTRIBUTION


DOCKERFILE


WINDOWS SERVER CONTAINERS

Creation, deployment, and management

Developers

Containers pushed tocentral repository

Operationsautomates 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


Microsoft CloudAzure On Premises Service Provider

Container Technologies

Container ManagementPowerShell OthersDocker

DevelopmentEnvironments

Others…


SITECOREAND CONTAINERS


MONGOON DOCKER

• Simple configuration– Single instance

– Replica set (development)

• Scaled configuration– Scale horizontally

– Sharding

– Replica sets


SOLRON DOCKER

• Simple configuration– Single instance– SolrCloud (development)

• Scaled Configuration– Scale horizontally– Sharding– Replica sets– Cloud


SITECORE ON DOCKER (COMING!)

• Simple Configuration

– Single instance

– Scaled CD/CM environments (development)

• Scaled configuration

– Highly scaled infrastructure

– Load balanced server instances


DOCKER HUB

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


COMMON QUESTIONS


1. Docker client versus host– Docker client is a command line interface (CLI) Docker– Docker host is a Linux/Windows VM running Docker daemon

2. Docker Linux and Windows hosts – You can only create the same container as the underlying host VM -‐ Linux host = Linux containers

3. Docker Image vs Docker Container– Image = The definition – literally a single file [My Website]– Container – An instance of an image [3 instances of My Website]

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!– Docker Trusted Registry –Dedicated registry application deployable on-‐premiseor direct from Azure

Marketplace

5COMMON DOCKER QUESTIONS


5COMMON DOCKER QUESTIONS

replace update5. Deployments replace instead of update

“Immutable infrastructure”

Update Website

Update your app using Web Deploy or CI/CD

Replace Docker

Replace running containers using CI/CD, Don’t update the old

container


MODULAR DESIGN


MOVING TO MODULAR DESIGN

• How will you move your website?


THINK CONTAINERS

• How will your app scale?


Front EndLogic

CachingPersistenc

e

IDENTIFY THE SCALING BOUNDARIES



Email CampaignsProduct MgmntCustomer ServiceBasket MgmntPayment GatewayProduct Info

Shopper ProfileOrder StatusLogic

Order StatusBasket MgmntCheckoutBackOffice

CustomerMgmntProduct Info

Front End

CachingPersistenc

e


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

Persistence

Email Campaigns

Product Mgmnt

Customer Service

Order Status

Order Status

BackOffice

CustomerMgmnt

Basket Mgmnt

Payment Gateway

Product Info

Shopper Profile

Basket Mgmnt

Checkout

Product Info



PREPARE, PREPARE, PREPARE

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


COMPLEMENTARY TOOLS


SOME OTHER DOCKER CONCEPTS

ComposeDefine and deploy a multi-‐container application

SwarmPool of hosts treated as a single unit, control over multi-‐container environments


DOCKER COMPOSE EXAMPLE


DOCKER SWARM

• Adds a collection of virtual machines into one logical cluster.

• Same Docker API• Elect a leader to receive commands and send to cluster• Scheduler

– Constraints – set a label on a VM/Node so matching containers use that VM (ex: region=us-‐west)

– Affinities – Filters for labels, image, containers – ex: -‐e affinity:container==frontend)

• Various Strategies


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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THANK YOU TO OUR SPONSORS!


THANK YOU!

https://www.linkedin.com/in/vasiliyfomichev

@vasiliyfomichev

VASILIY FOMICHEVSOLUTIONS ARCHITECT

http://content.verndale.com/sugconvasiliyhttp://www.cmsbestpractices.comSpecial thanks to Steve Lasker, Microsoft

Vasiliy Fomichev - Harness the Power of Containers - SUGCON

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