An example of a working code on github with local authentication Passport, Node?

Question

JavaScript

Everything turned out to be more difficult than I thought. Normally.
Give a link to a working template, a minimum set of functions, just a login, logout, save to Mongu. Ofiget what a super task turned out to be.
I only find snippets of code. I went through 2 video courses on this topic, but there is such noodles that I want to puke.
Like a hackathon-starter, but not such an overkill.

Answer 1

Here's what I just did based on this example .
Here with this and this article as an explanation of what is there for what.
And when this was not enough, he studied the official example .
Everything worked out (however, I haven’t done registration yet, only authorization)