Ask HN: In 2018, can an individual produce a scalable app?

In the early days of the internet, a person would fire up a lamp server, and start up a site. You were in business.

That became difficult to do for a while, because your home server would not scale easily and you had to manage hardware.

Then there was a new paradigm. Ruby on Rails or one of the other frameworks (Django) let a single person knock out a site and push it to Heroku and you were in business.

There are some trends that make this more difficult:

1. Security is specialized

2. It costs a lot of money if it does scale

3. Consumers expect "sophisticated" experiences (example: snappy responsive sites, sized perfectly to my screen)

Some things make it easier:

1. Sites like AWS, Azure, Google, Digital Ocean let you run servers and an API

2. You can code a front end in a different language to make it snappy

However, we are moving towards a team. A single person doing all those things is getting harder.

Now I know a single person can produce a "toy" example, but are there modern stacks that let a single person produce an app that can scale indefinitely?