I would recommend becoming familiar with the 12 factor app methodology (https://12factor.net) and reading the following books:

https://www.amazon.com/Building-Microservices-Designing-Fine...

https://www.amazon.com/Production-Ready-Microservices-Standa...

https://www.amazon.com/Microservice-Architecture-Aligning-Pr...

Writing a book does not make you a journalist. It makes you an author. Not that it's not impressive, but it's not proof of experience as a journalist.

They are different jobs. You can write a book without doing any investigative reporting, but it would be hard for a journalist to do so. Siraj Raval might be a published author, but he still has next to no experience being a journalist.

Here's the link in case anyone is interested:

https://www.amazon.co.uk/Production-Ready-Microservices-Stan...