ISO 9001 does not ask for an 80-page manual. Here is the mandatory documented information and what you can safely drop.

Fixing the error is not enough: you need to stop it recurring. The 5 Whys and the Ishikawa diagram applied to a concrete case.

A minor is closed with a plan, a major can block your certificate. How to tell them apart, the deadlines for closing them and how to respond.

Sell a cloud service with ISO 27001? How ISO 27017 and 27018 extend your certificate to cloud security and personal data, and what auditors check.