Docker 101

Rio de Janeiro Docker Meetup #1

What is Docker

open-source abstraction that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run everywhere

Background

Evolution: 1

Monolithic / Heterogenous

Evolution: 2

Single Server / Cloud (Private, Public)

Evolution: 3

Thick Client / Thin Client (Mobile, Tablet)

Origins

dotCloud Infrustructure

Software

Database / Worker / Queue / Framework

Hardware

Dev Server / Production Server / Programmer Machine

Container

Unfication

Logistics Analogy

Container

Group of processes put together in a isolated env

Lightweight VM

High-level Analogy

chroot on steroids

Low-level Analogy

Inside

LXC

Abstraction over Linux Containers

Isolation

Resource / Network / Content

Unified Operations Set

Run / Start / Stop

Advantages

Efficiency

Just a process

Encapsulation

Portable, self-contained & safe runtime

Developer Perspective

Build once, Run anywhere

Sysadmin Perspective

Configure once, Run anything

Demo

Stats

Github 7400+ / Contributors 165+

Use Cases

Private PaaS / Deployment / Continuous Integration

More

Website / GitHub / Google Group / IRC #docker

Q? / Thank you