Continuous Deployment

Marko Taipale

3.3.2011

Nextdoor.fi deployed

every day

2. My Context

1. Intro

3. Why & How

4. Lessons learned

Features written for an application are

immediately deployed into production

Transaction cost

Deployment

Release

2. www.nextdoor.fi

Why?

Who?

What?

30 000 visitors / month

8 days lead time

24/7 monitoring

5 integrations

4 years of Continuous Deployment

550+ acceptance tests

>80% test coverage

2 bugs (in 4 years)

0 people in operations

0 testers

0 full-time developers

Production bug fix < 1h

3. Why & How

”We need to wait for end of the sprint!”

– Bazooka Team

”KISS – we do not need to configure that”

”Most time in bug fixing is spent on finding it”

How do we do it?

Process and Environments

New commit

Test Deploy

CIProduction

Test Reports

Performance

test

DevDev

TestDev

Mainline24h

CD

TCs

Build artifacts

DB updateCI

deployment

Unit/Acceptance tests

Performance test

Report

Artifacts Reports

New commit

Test Deploy

Inside ”Test”

New commit

Test Deploy

Inside Deploy

Backup ReportsVersion check

DB migration

SW update

DB

Backup

Biz

reports

Failure

report

Monitoring

Business

Application

Containers & DB

OS & Services

Hardware

Biz reports

Hearbeat.rb

& navigator

Hearbeat.rb

& Monit

Monit &

Nagios

Monit &

Nagios

4. Lessons learned

Continuous Integration

Automated tests and Monitoring (Biz & Tech)

”Discipline is the bridge between goals

and accomplishment”- Jim Rohn

5 steps to get it started

1.Continuous Integration + Automated

acceptance tests + Definition of Ready

2.Stop-the-line

3.Simple Deployment Script

4.Real Time Alerting

5.Root cause analysis

Where to go from here

http://bit.ly/OxJv

http://slidesha.re/d5L9H9

http://bit.ly/eEDL30

http://slidesha.re/sHpYV

http://bit.ly/cZLR9M

I help companies to improve by

showing what I have done

how I have done it and

what I have learned about it.

I am a CTO of a lean startup

Marko Taipale

@markotaipale

huitale.blogspot.com

marko.taipale@huitale.com