Better Collaboration through ToolingOpen Source, ETC...

David Lawrence - @endophageYing Li - @cyliDocker Security Team

ETC…?

Process & Team Debt

Technical Debt

“Nothing in the world is worth having or worth doing unless it means effort, pain, difficulty…”

Theodore Roosevelt

Easy

Tidy

Consistent

Onboarding

Make It Easy

Pretty quickly you feel like...

DEMO

Make It Tidy

docker-compose down \ --rmi local \ -v

Make It Consistent

Have you tried forcing an unexpected reboot?

N.B. These steps don’t excuse you from writing documentation.

Maintaining

computer overlords

I for one welcome our new

Make It Easy

Travis CircleCI GitlabCI Jenkins BambooGitHub

Gitlab

Bitbucket

Others VCSes

Make It Tidy

Oh man, this is awesome!

Make It Consistent

“a red pull request shouldn't even be up for review”

mnapoli - https://issues.piwik.org/7953

codecov.io

coveralls.io

codeclimate.com

codacy.com

code coverage

coding style

code coverage !=

test coverage

def run_me(x, y): if (x < 0): a() if (x < y): b()

a() b()

run_me(-1, -1)

run_me(1, 2)

“Any fool can write code that a computer can understand. Good programmers write code that humans can understand.”

Martin Fowler - Refactoring: Improving the Design of Existing Code

Use the language standards (wherethey exist)

N.B: Code Review

• Design • Functionality • Security • Test coverage

Deploying

Make It Easy

When production is on fire, don’t make people think.

Write docker compose files.

DEMO

Make It Tidy

We rarely deploy static binaries

Package your actual runtime!

Make It Consistent

“It works on my machine!”Every software engineer, ever.

Did you mention Docker already?

DEMO

Onboarding

Maintaining

Deploying

Easy

Tidy

Consistent

THANK YOU