The Holy Grail of continuous delivery in distributed teams environment

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Szymon Kurcab

A brief presentation on how to hit the goal of continuous delivery/deployment for Ruby (RoR) web applications

Software

The Holy Grail of continuous delivery

in distributed teams environment
by Szymon Kurcab

Before we go further
Question:

When did the first KRUG event take its place (year/month)?

Before we go further
Yup! It was on the 16th of October 2006!!!

The second meeting topics:

- Dynamic model creation with Ruby and creating “Page scraper” applications
[Szymon Kurcab]
- Calendar and operations on dates with RoR
[Mateusz Jędruch]
- Testing web interfaces in Rails with Selenium on Rails package [Maciek
Ksiązek]
Good to be back here :)
KRUG today: 1361 members in KRUG Meetup group!

A few words about myself
CTO @ Paladin Software

repertuary.pl aka kina.krakow.pl co-owner

Ruby’ist and Hacker

Why this topic?
Stay DRY - Continuous Delivery for Rubyist by Michał Knapik

Focus on distributed teams environment and the case study

Vocabulary
• Continuous (automated) deployment/delivery

First principle of Agile Manifesto:

“Our highest priority is to satisfy the customer
through early and continuous delivery
of valuable software.”

• Distributed team (in Paladin Software)

Tools / prerequisites
• Github flow

• Code reviews (1 or 2 people need to accept)

• Codeclimate:

• static code analysis (rubocop, overcommit)

• code coverage

• Specs, specs … and more integration specs! (no flaky specs)

• CI (Semaphore 2.0) and Heroku/AWS

• Production-like test/staging environments

• Smoke tests

Tools / prerequisites
• Other tools:

• Honeybadger

• New Relic

• Intercom

• Papertrail

• Scout

• Hirefire

• and more …

• Periodic security pentests (focused on new functionality)

Tools / prerequisites … and more
• strong and motivated team (quality hiring procedure)

• trust, trust and … even more trust

• code ownership aka taking the responsibility

• good communication between teams

• daily stand-ups

• Slack + Google Meet communication

• pair programming

• as few paperwork as possible :)

A plan how we’ve reached the CD goal
No plan at all :)

It just happened when all prerequisites were
fulfilled.

Place for improvement
• even more specs and better code coverage

• … you tell me :)

THANK YOU @PaladinSoftware
facebook.com/Paladin-Software
PaladinSoftware.com
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