Alessandro Desantis
Founder, advisor and engineering manager. Working at the intersection of people, technology and words.
Boring by Design
Making Smart Technology Choices in an Era of Complexity
Alessandro Desantis
alessandro.codes
@aldesantis
I AM a...
Software developer
Engineering manager
Chief technical officer
Technical advisor
Co-founder
Growth advisor
software is
complex
COST
MATURITY
​BUILD/BUY
ECOSYSTEM
Features
But does it
have to be?
A complex system that works is invariably found to have evolved from a simple system that worked.
- John Gall
Boring is
COHESIVE
class Rules::CustomerName
def initialize(first_name:, last_name:)
@first_name = first_name
@last_name = last_name
end
def call(order)
order.customer.first_name == @fist_name &&
order.customer.last_name == @last_name
end
end
class Rules::CustomerEmail
def initialize(email:)
@email = email
end
def call(order)
order.customer.email == @email
end
end
class Order < ApplicationRecord
RISK_RULES = [
Rules::CustomerName.new(first_name: 'John', last_name: 'Doe'),
Rules::CustomerEmail.new(email: 'jdoe@acme.com'),
]
before_save :analyze_risk
def analyze_risk
self.risky = RISK_RULES.any? { |rule| rule.call(self) }
end
end
Boring is
STABLE
Boring is
FAST
Boring by Design: Making Smart Technology Choices in the Overabundance Era
By Alessandro Desantis
