How to Modernize Your Legacy ASP.NET Apps Gradually

on YouTube ↗01h 02m

" summary

Live migration demo upgrades an ASP.NET MVC app side‑by‑side to ASP.NET Core using YARP as a reverse proxy and the net Upgrade Assistant for project conversion; a utilities class becomes netstandard2.0, one controller and view move into the new app, and CSS/JS bundling breaks so WebOptimizer/LigerShark is added to rebuild bundles. The page ends up half migrated (HTML proxied from legacy, static assets served by Core) and works in the demo; system.web adapters handle session/auth bridging for full migration.

AI-written summary · about

" chapters (14)

1. 0:00Introduction
2. 5:00Legacy vs modern .NET
3. 10:00Strangler fig migration
4. 12:47Reverse proxies role
5. 15:56YARP explained
6. 23:23YARP migration scenarios
7. 26:34Upgrade Assistant overview
8. 28:16Live demo setup
9. 33:14Class library to .NET Standard
10. 39:16Web app to ASP.NET Core
11. 45:38Testing migrated app
12. 50:17CSS and bundling fixes
13. 57:45System.Web Adapters
14. 1:00:11Summary & Q&A

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