chapter.checkpoint
Security, Testing, and Deployment
Pause here and make sure the main ideas feel clear before moving to the next chapter.
What you should understand now
Prepare a Next.js application for real users and production operations.
Authentication and authorization boundaries
Understand authentication and authorization boundaries through a focused practical example.
Testing App Router applications
Understand testing app router applications through a focused practical example.
Deployment, observability, and environment configuration
Understand deployment, observability, and environment configuration through a focused practical example.
progress.review
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Before you move on
Use this quick review if anything still feels unclear.
Complete the lessons, pass the exercises, and pass the quiz to unlock the next chapter.