Table of Contents
Introduction
What is a software architecture?
Why is it called clean''?
Whyarchitectures''?
Why Python?
Acknowledgments
About the book
Prerequisites and structure of the book
Typographic conventions
Why this book comes for free
Submitting issues or patches
About the author
Changes in the second edition
Chapter 01 A day in the life of a clean system
The data flow
Advantages of a layered architecture
Chapter 02 Components of a clean architecture
Components of a clean architecture
Chapter 03 A basic example
Chapter 04 Add a web application
Flask setup
Test and create an HTTP endpoint
WSGI
Chapter 05 Error management
Request and responses
Basic structure
Requests and responses in a use case
Request validation
Responses and failures
Error management in a use case
Integrating external systems
Chapter 06 Integration with a real external system postgres
Decoupling with interfaces
A repository based on PostgreSQL
Label integration tests
Create SQLAlchemy classes
Orchestration management
Database fixtures
Integration tests
Chapter 07 Integration with a real external system mongodb
Fixtures
Docker Compose configuration
Application configuration
Integration tests
The MongoDB repository
Chapter 08 Run a production ready system
Build a web stack
Connect to a production-ready database
Changelog
Colophon