DOCKER UNCOVEREDJohn Cleary / #PHPNW16 / @TheRealBifter

What is Docker?

Images and Volumes

Docker Hub

What is Docker?

Use Cases

How it works, terminology and architecture.

Getting started & Command line tools

Dockifing an app -> introducing docker-compose

Docker In Development

Use Cases

Docker Cloud

Docker In Production

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What is Docker?

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Container 3

ProcessesMemoryNetworkFile System…

Container 1ProcessesMemoryNetworkFile System…

Container 2ProcessesMemoryNetworkFile System…

LINUX CONTAINERS

Linux HostProcessesMemoryNetworkFile System…

{ }Docker Uncovered

Redis 3.0

ProcessesMemoryNetworkFile System…

PHP 7.0ProcessesMemoryNetworkFile System…

MySql 5.7ProcessesMemoryNetworkFile System…

LINUX CONTAINERS

{ }TCP/IP

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Linux HostProcessesMemoryNetworkFile System…

DOCKER IS…

• Managing Linux* hosts/machines• Starting and stopping containers• Managing container file system

(volumes)• Managing container images

A SET OF TOOLS FOR

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DOCKER ALSO PROVIDE…

• Managing Images (Docker Hub)• Managing Hosts (Docker Cloud)

ONLINE SERVICES FOR:

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WHERE DOES DOCKER FIT IN?

A BRIEF HISTORY OF WEB COMPUTINGthat may not actually be that accurate

1992

Dedicated Server

1996

Shared Hosting

2006

Cloud Computing

2014

Docker

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Docker in Development

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DOCKER TERMINOLOGY

Infrastructure

Operating System

Docker Engine

Container Container

Volume Volume

dockerdocker-composedocker-machine

Command Line

Docker HubImagesImagesImages

HELLO WORLD

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DOCKERIZING A PHP APP

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• PHP• MYSQL• REDIS

DOCKER-COMPOSE

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DOCKERFILE

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DOCKER-COMPOSE UP

Docker in Production

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Ready?

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why?

STEP 1:

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DOCKERHUB

STEP 2:

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DOCKERCLOUD

IN SUMMARY:

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• CONTAINERS, IMAGES, VOLUMES• DOCKER HUB• IN DEVELOPMENT• HELLO WORLD & DOCKERIZING AN APP• DOCKER IN PRODUCTION

FURTHER READING:

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• DOCKER SWARM• KUBERNETES*• BEST PRACTICES

*GIANTSWARM.IO SIGNUP CODE #PHPNW16

Thank you!joind.in/talk/481ba

github.com/jcleary/docker_uncovered/wiki

@TheRealBifter

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