docker 101 - devops at emc may 2015
TRANSCRIPT
DOCKER 101Jonas Rosland@jonasrosland
WHY IS THIS INTERESTING?
LET’S START WITH A MONOLITHIC APP
http://cantina.co/monolithic-architecture-doesnt-scale/
HOW DO WE SCALE IT?
http://cantina.co/monolithic-architecture-doesnt-scale/
http://cantina.co/monolithic-architecture-doesnt-scale/
IT’S NOT JUSTALL ABOUT SCALE
BUT ALSO ABOUT SEPARATION OF CONCERN
MICROSERVICES
http://cantina.co/monolithic-architecture-doesnt-scale/
EVERYTHING ISLOOSELY COUPLED
HOW DO WE SCALE THIS?
http://cantina.co/monolithic-architecture-doesnt-scale/
SO HOW DO WE DEPLOY IT?
ONE APPPER PHYSICAL SERVER?
ONE APPPER VIRTUAL MACHINE?
CONTAINERS!
ONE FUNCTIONPER CONTAINER
TRADITIONAL SERVERS
OS Kernel
Hardware
App App App App
VIRTUALIZATION
Hypervisor
Hardware
OS OS OS OS
App App App App
CONTAINERS
OS Kernel
Hardware
App App App App
ISOLATION IS KEY
Python 2.7
JRE 8
NodeJS 0.12.2
Haskell 7.8.4
Go 1.4.2
Rust 1.0.0-beta.3Ruby on Rails 4.2
Python 2.7
JRE 8
NodeJS 0.12.2
Haskell 7.8.4
Go 1.4.2
Rust 1.0.0-beta.3Ruby on Rails 4.2
Python 2.7
JRE 8
NodeJS 0.12.2
Haskell 7.8.4
Go 1.4.2
Rust 1.0.0-beta.3Ruby on Rails 4.2
Python 2.7
JRE 8
NodeJS 0.12.2
Haskell 7.8.4
Go 1.4.2
Rust 1.0.0-beta.3Ruby on Rails 4.2
One host
Python 2.7
JRE 8
NodeJS 0.12.2
Haskell 7.8.4
Go 1.4.2
Rust 1.0.0-beta.3Ruby on Rails 4.2
Host 2Host 1
Host 3
Host 4
WHAT ABOUTADDED FUNCTIONALITY?
HUGE ECOSYSTEM!
http://comp.photo777.org/wp-content/uploads/2014/09/Docker-ecosystem-8.2.pdf
RUN ANYTHING
RUN ANYWHERE
MORE INFO?
READ THIS
• docker.com
• The Docker Ecosystem by DigitalOcean
• Monolithic Architecture Doesn’t Scale