System requirements

List functional requirements for the system (Ask the chat bot for hints if stuck.)...

The system should shorten a long URL by generating a unique short URL and store the mapping in the database.

The system should redirect users to the original long URL when they access the corresponding short URL.

The system should generate a unique, collision-free key for each long URL to be used in the short URL.

The system should validate and ensure the correct format of the long URL before creating the short URL.

The system should handle and display appropriate error messages for invalid, non-existent, or expired short URLs.

List non-functional requirements for the system...

performance

scalability

reliability

security

maintainability