Python Flask Web Development : Build Modern Production-Ready Applications with APIs, Databases, and Docker

by Gem Iroko

Build Production-Ready Flask Applications Like a Modern Backend Engineer

Most Flask books teach you how to build small demo projects.

This book teaches you how to build, secure, deploy, monitor, and scale real production systems.

Python Flask Web Development is a modern, hands-on guide for developers who want to move beyond beginner Flask tutorials and learn how professional backend applications are engineered in real-world environments.

Inside this comprehensive guide, you will learn how to build modern Flask applications

REST APIsPostgreSQL and SQLAlchemy 2.0Authentication and authorization systemsDocker and containerizationCI/CD deployment workflowsObservability and monitoringBackground workers and async processingModern frontend integration with HTMX and Tailwind CSSProduction architecture patternsAI integrations with OpenAI APIsSaaS platform engineering principlesBy the end of this book, you will understand how modern backend systems are designed, deployed, and maintained professionally.

What You Will Learn

Build scalable Flask applications using modern architecture patternsDesign professional REST APIs with Flask-Smorest and MarshmallowImplement secure authentication systems with JWT, sessions, MFA, and RBACWork with PostgreSQL, SQLAlchemy 2.0, and Alembic migrationsContainerize Flask applications with Docker and Docker ComposeDeploy applications using modern DevOps workflows and CI/CD pipelinesConfigure Nginx, Gunicorn, and production-ready infrastructureMonitor systems using structured logging, metrics, and observability toolsImprove reliability, scalability, and production stabilityBuild a complete production-ready SaaS platform from scratchThis Book Is Perfect For

Python developers learning backend engineeringFlask developers moving toward production systemsBackend engineers building APIs and SaaS platformsDevOps-focused developersStudents building portfolio projectsDevelopers interested in scalable backend architectureEngineers integrating AI into modern applicationsInside the Book

Part I — Modern Flask Foundations

Learn professional Flask architecture, development workflows, frontend integration, and modern project organization.

Part II — Databases and Authentication

Master SQLAlchemy 2.0, PostgreSQL, authentication systems, RBAC, MFA, and security-focused backend design.

Part III — Building Professional REST APIs

Design scalable APIs with validation, versioning, Swagger/OpenAPI documentation, and modern API engineering practices.

Part IV — Production Architecture and Quality

Learn scalable architecture patterns, testing strategies, observability, performance optimization, and reliability engineering.

Part V — Docker, Deployment, and DevOps

Containerize, deploy, secure, monitor, and scale Flask applications using modern DevOps workflows.

248 pages, Kindle Edition

Published May 22, 2026