EMC World 2016 - code.09 Introduction to the Docker Platform

1© Copyright 2016 EMC Corporation. All rights reserved. 1© Copyright 2016 EMC Corporation. All rights reserved.
DOCKER PLATFORM 101
KENNY COLEMAN |
MANO MARKS |
Developer Advocate - EMC {code}
Director, Developer Relations - Docker

2© Copyright 2016 EMC Corporation. All rights reserved.
DOCKER
PLATFORM
101
Kenny Coleman
Developer Advocate
@kendrickcoleman
Director, Developer Relations
@ManoMarks
Mano Marks

BACKLOG

Loosely
Coupled
Services
Many Small
Servers
~2000 Today
Monolithic
Big
Servers
Slow
changing
Rapidly
updated
APPLICATIONS ARE CHANGING

THE CHALLENGE: NEW MATRIX FROM HELL
Virtual
machines
Server Public
Cloud
Disaster
Recovery
Developer
Laptop
Server Cluster
Data
Center
Static
Website
Web Front
EndBackground
Workers
User
DB
Analytics
DB
Queue
API
Endpoint
Development Test & QA Production Scale Out

2013…ENTER THE DOCKER CONTAINER
• Packages up software binaries and dependencies
• Isolates software from each other
• Container is a standard format
• Easily portable across environment
• Allows ecosystem to develop around its standard

Static
Website
Web
Front
End
Background
Workers
User DB Analytics DB
Queue
API
Endpoint
Any App Anywhere
Composabl
e
Dynamic Portable
ELIMINATING THE MATRIX

DOCKER BASICS
Docker Image
The basis of a Docker container
Docker Container
The standard unit in which the application service resides
Docker Engine
Creates, ships and runs Docker containers deployable on physical
or virtual host locally, in a datacenter or cloud service provider
Docker Registry/Hub
On-premises registry or Docker Hub for image storing and
collaboration

DEMO!

docker run –d –-name webserver –p 5000:80 nginx Docker Hub
####################################
########################
FROM debian:jessie
MAINTAINER NGINX Docker Maintainers "docker-
maint@nginx.com"
ENV NGINX_VERSION 1.9.15-1~jessie
RUN apt-key adv --keyserver hkp://pgp.mit.edu:80 --
recv-keys
573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
&& echo "deb
http://nginx.org/packages/mainline/debian/ jessie nginx"
>> /etc/apt/sources.list
&& apt-get update
&& apt-get install --no-install-recommends -
-no-install-suggests -y
ca-certificates
nginx=${NGINX_VERSION}
nginx-module-xslt
nginx-module-geoip
nginx-module-image-filter
nginx-module-perl
nginx-module-njs
gettext-base
&& rm -rf /var/lib/apt/lists/*
# forward request and error logs to docker log collector
RUN ln -sf /dev/stdout /var/log/nginx/access.log
&& ln -sf /dev/stderr
/var/log/nginx/error.log
EXPOSE 80 443
CMD ["nginx", "-g", "daemon off;"]
Dockerfile
WHAT JUST HAPPENED?

• Clean and portable runtime
environment
• No missing dependencies during
deployments
• Run each app in its own isolated
container,
• Automate testing, integration,
packaging
• Eliminate concerns about
compatibility on different platforms
• A VM without the overhead of a VM
DEV - Build once, run anywhere
WHO CARES?
• Lifecycle is efficient, consistent, and
repeatable
• Increase the quality of code
produced by developers
• Eliminate inconsistencies between
environments
• Support segregation of duties
• Improves speed and reliability of
CI/CD systems
• Eliminates overhead issues normally
associated with VMs
OPS - Configure once, run anything

CONTAINERS VS VIRTUAL MACHINES

Open Source Project
• 2000+ contributors
• 40K+ GitHub stars
• 200K+ Dockerized apps
• 240 Meetups in 70 countries
• 95K Meetup members
• 2B+ Docker Image Downloads
Containers as a Service provider
• Integrated platform for dev and
IT
• Commercial technical support
Docker project sponsor
• Primary sponsor of Docker
project
• Supports project maintainers
The Docker Project Docker Inc
DOCKER IN 2016

Dev Tools
Official Repositories
Operating Systems
Big Data
Service Discovery
Build / Continuous Integration
Configuration Management
Consulting &Training
Management
Storage
Clustering & Scheduling
Networking
Infrastructure & Service Providers
Security
Monitoring & Logging
THE DOCKER ECOSYSTEM

DOCKER ENGINE + EMC
• Stateless -> Stateful transition
• Multi-Platform Storage Management
integrated with Docker, Mesos, Marathon
& Kubernetes
• OSS
• https://github.com/emccode/rexray

DEMO!!

TO-DO

• Distributed applications consist of many
small applications that work together.
• Instead of having to build, run and manage
each individual container, Docker Compose
allows you to define your multi-container
application with all of its dependencies in a
single file, then spin your application up in a
single command.
• Your application’s structure and configuration
are held in a single place, which makes
spinning up applications simple and
repeatable everywhere.
DOCKER COMPOSE

DEMO!!!

DOCKER MACHINE
• a tool to simplify the automatic
creation and configuration of
Docker-enabled machines, whether
they are VMs running locally in
Virtualbox or on a cloud provider
such as Amazon Web Services.
• Management of hosts like
upgrading, stops, starts, & ssh

DOCKER MACHINE + RACKHD
• https://github.com/emccode/docker-machine-rackhd

DEMO!!!!!

DOCKER SWARM
• Provides native clustering
capabilities to turn a
group of Docker engines
into a single, virtual
Docker Engine.
• Scale out your application
as if it were running on a
single, huge computer

DOCKER SWARM + EMC
• Storage Scheduler for Container Schedulers
• OSS
• https://github.com/emccode/polly

DEMO!!!!

• Get up and running with
one package
– Engine
– Compose
– Machine
– Kitematic
DOCKER TOOLBOX

DOCKER FOR WINDOWS/MAC BETA
https://beta.docker.com/

• Store and manage your
Docker images on-premise
or in your virtual private
cloud to support security or
regulatory compliance
requirements.
• Integrate to storage (EMC
ECS, EMC Isilon) and
authenticate to your Active
Directory / LDAP services
DOCKER TRUSTED REGISTRY

• Verify the publisher of Docker images.
• Before a publisher pushes an image to
a remote registry, Docker Engine
signs the image locally with the
publisher’s private key. When you
later pull this image, Docker Engine
uses the publisher’s public key to
verify that the image you are about to
run is exactly what the publisher
created, has not been tampered with
and is up to date.
DOCKER CONTENT TRUST

• A cloud service that allows
development and IT operations
teams to deploy and manage their
Dockerized applications in
production
• A graphical and dashboard driven
user interface simplifies the
administrative and management
tasks of deploying, monitoring,
scaling and managing Dockerized
applications
DOCKER CLOUD

COMPLETED

Source Code
Management
CI / CD
Networking
Monitoring
Volumes
Service
Discovery
Operating Systems
Content
Configuration
Management
Infrastructure
Public Cloud Virtualization
Physical /
Converged
Infrastructure
Logging
Storage
Toolbox
Management
Security
Orchestration
Container
Runtime
Registry
Service
DOCKER CAAS PLATFORM

DOCKERIZED EMC INTEGRATIONS/APPS
emccode.com

• Docker Training
– github.com/emccode/training/tree/master/docker-workshops
• Vagrant w/ REX-Ray
– github.com/emccode/vagrant/tree/master/rexray
– github.com/emccode/vagrant/tree/master/playa-mesos
• Join EMC {code} Community
– community.emccode.com/
LEARN MORE

@kendrickcoleman
@ManoMarks
@EMCCode
emccode.com
community.emccode.com
Come visit us at
Booth #1044
or in the vLab
Questions?

EMC World 2016 - code.09 Introduction to the Docker Platform

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