Background Tasks, File Uploads, and Async Boundaries

Help learners understand this topic clearly, practice it on a small example, and produce reviewable evidence before moving to the next module.

Units

1. Unit 11.00: Background Tasks, File Uploads, and Async Boundaries: Use background tasks for small after-response work
2. Unit 11.01: Background Tasks, File Uploads, and Async Boundaries: Accept files only with size, type, and privacy rules
3. Unit 11.02: Background Tasks, File Uploads, and Async Boundaries: Explain async endpoints and when sync code is still acceptable
4. Unit 11.03: Background Tasks, File Uploads, and Async Boundaries: Avoid blocking calls inside async routes
5. Unit 11.04: Background Tasks, File Uploads, and Async Boundaries: Document long-running work that needs a proper queue later

Module work

• Activity
• Knowledge check
• Summary