FastAPI & Next.js project: Flight Booking App With DevOps. Day 1 - 100 - Surviving API Deprecation | The Factory Pattern | Flight Booking Engine | Day 83

In Day 83, we are future-proofing our application by implementing the Strategy Pattern. We will abstract our flight data fetching logic behind a single interface and a Factory class. What we are building today: The Interface: Creating a base contract that all future flight services must follow. The Mock Service: Building a fallback implementation that reads exact Amadeus JSON responses from local files, ensuring we can always develop and test offline. The Factory: Writing the logic to dynamically inject the correct service (Amadeus, Mock, or a future Provider) based on a single environment variable. By the end of this stream, you will understand how to protect your core application logic from external dependencies. Join the Community: https://discord.gg/bqUFaDaj Watch the full playlist: https://www.youtube.com/playlist?list=PLdtwawCR2QjmdfhM-7SzDOVGop373bbgW GitHub Repo: https://github.com/KNehe/aero_bound_ventures-public.git #FastAPI #DesignPatterns #SoftwareArchitecture #StrategyPattern #Python #BackendEngineering #WebDevelopment