# Node Nx Tutorial - Step 8: Summary

In this tutorial you:

- Built a full Node application with an API and server side rendered pages
- Shared code
- Created a controller library
- Used Nx affected commands to only retest and rebuild what is affected

## Learn more

- [Free Nx Course on YouTube](https://www.youtube.com/playlist?list=PLakNactNC1dH38AfqmwabvOszDmKriGco)

**Dive Deep:**

- [Computation Caching](/concepts/how-caching-works)
- [Rebuilding What is Affected](/concepts/affected)