Intro to DockerNairuby Meetup | Ruby Thursday

Mission: - Understand Docker- Dealing with a Django Web App- Adding Docker to development workflow

The problem

It’s common to hear this

“It is working locally”

“I have issues deploying ...”

“It is working on my machine but I’m having trouble helping Banta set it up”

The solution

- VMWare- Vagrant

DockerThe Game changer

Normal workflow

Build

Run

The Docker way

Build

Ship

Run

Setup

Docker EngineDocker

MachineDocker Swarm

MacWindows

Linux Amazon AWS

AzureWindows Server

Docker is installable on:

How it works

BuildDockerfiledocker-compose.yml

$ docker build -t <image-name> .

A

How it works

BuildDockerfiledocker-compose.yml

$ docker build -t <image-name> .

ShipDocker Hub

$ docker login$ docker push

A B

DOCKER HUB (released 2014):

- Workflow automation- Integration- Organisation (Teamwork)

Under the covers> Faster download speeds

It is 3-fold

How it works

BuildDockerfiledocker-compose.yml

$ docker build -t <image-name> .

ShipDockerhub

$ docker login$ docker push

RunDocker environment

$ docker run <image-name>

A B C

What next?Adding Docker to your workflow

@NdagiStanley