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Architecture
The Lost Years
Robert C. Martin
Master Craftsman
8th Light Inc.
A Rails App
The Web is a
Delivery
Mechanism!
Library
Church
Architecture
is about
INTENT
What Happened?
Use Cases:
Application Specific
Interactors
Entities
Boundaries
What about MVC?
MVC is not an architecture
How MVC goes wrong as a
web architecture.
MVC is a Delivery Design
Pattern.
Model View Presenter
Enchilada!
What about the
Database?
The Database is a
DETAIL!
Isolate it!
Active Record?
FITNESSE
The First Deferral.
The Second Deferral
The Third Deferral
The Fourth Deferral
The Final Surprise.
A good architecture
allows major decisions
to be DEFERRED!
A good architecture
maximizes the number
of decisions NOT
made.
Plugin Model
TDD
TDD
• Who’s doing it?
• Do your tests run fast?
Thank you.
Robert C. Martin
@unclebobmartin
8thlight.com ...for Development.
cleancoder.com ...for training.
cleancoders.com ...for videos.

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ITkonekt 2019 | Robert C. Martin (Uncle Bob), Clean Architecture and Design