Why You don't need serverless and microservice ?

Almost every day, we receive new concepts from different areas, where some of them are not new things but renamed or falsely prepared in order to have a better sale.

In software development, it is the same.
We encounter new concepts like bigdata, nosql, serverless, microservice, aop, orm, xhtml, agile, semver. Most of them are detailed descriptions extending our knowledge on software development, but some of them may not.

In my option, serverless and microservice are totally useless concept.

If someone want to be serveless, he must understand a lot of new concepts which is much more difficult than he build a backend server, and more platform specific, which means he must spend a lot of time in migrating from one platform to another and code once run only one place.

while microservice concept is another useless concept, we start service in order to meet business need not to meet new concepts.

The software development process can never be changed, it is always from small to large, from fixed to scalable.
microservice is a useless concept will you always need a new small module when your businesses are getting more and more complicated.
Further more, almost software modules can be described as microservices.

In another way, for most businesses, the logic behind the business will never change, the only thing we need to do is to find and detail it .

Concepts ignoring humanity and the real logic are very common, beside the microservice and serverless, concepts like xhtml, semver, nosql are almost the same.

Xhtml uses strict mode which offers bad user interface.
semver's keeps green idea wastes too much time on maintain packages than develop new features.
Nosql's misleading in that it can replace rdb causes a lot of database misuse.

These things happen every day. But if you stay focus on your own business, you may not be distracted by such concepts.