There are many things that I can’t cover in this Workshop. These are some points for further learning:

• Deploying a NestJS app for Free on Cyclic | by Hayk Simonyan | Level Up Coding (gitconnected.com)
• Common errors - FAQ | NestJS - A progressive Node.js framework
• Interceptors | NestJS - A progressive Node.js framework
• Exception filters | NestJS - A progressive Node.js framework
• Authentication | NestJS - A progressive Node.js framework
• Guards | NestJS - A progressive Node.js framework
• Health checks (Terminus) | NestJS - A progressive Node.js framework
• TypeScript Exercise
• Many-to-one / one-to-many relations - typeorm (gitbook.io)
• Practice, Practice, Practice!