Node.JS Best Practices

Welcome

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Project Setup Practices

✅ 1. Do something important

TL&DR: Monitoring is a game of finding out issues before our customers do – obviously this should be assigned unprecedented importance. The market is overwhelmed with offers thus consider starting with defining the basic metrics you must follow (my sug

Otherwise: You end-up with a blackbox that is hard to reason about, then you start re-writing all logging statements to add additional information

2. Do other thing

TL&DR: Monitoring is a game of finding out issues before our customers do – obviously this should be assigned unprecedented importance. The market is overwhelmed with offers thus consider starting with defining the basic metrics you must follow (my sug

Otherwise: You end-up with a blackbox that is hard to reason about, then you start re-writing all logging statements to add additional information

Code Style Practices

Error Handling Practices

Going To Production Practices

Deployment Practices

Security Practices

Item	Value	Qty
Computer	$1600	5
Phone	$12	12
Pipe	$1	234

Definition Lists

Markdown Extra has a special syntax for definition lists too:

Term 1

Term 2

Definition A

Definition B

Term 3

Definition C

Definition D

part of definition D

Fenced code blocks

GitHub's fenced code blocks are also supported with Highlight.js syntax highlighting:

// Foo
var bar = 0;

Tip: To use Prettify instead of Highlight.js, just configure the Markdown Extra extension in the Settings dialog.

Note: You can find more information:

• about Prettify syntax highlighting here,
• about Highlight.js syntax highlighting here.

Footnotes

You can create footnotes like this¹.

SmartyPants

SmartyPants converts ASCII punctuation characters into "smart" typographic punctuation HTML entities. For example:

	ASCII	HTML
Single backticks	'Isn't this fun?'	'Isn't this fun?'
Quotes	"Isn't this fun?"	"Isn't this fun?"
Dashes	-- is en-dash, --- is em-dash	-- is en-dash, --- is em-dash

Table of contents

You can insert a table of contents using the marker [TOC]:

[TOC]

MathJax

You can render LaTeX mathematical expressions using MathJax, as on math.stackexchange.com:

The Gamma function satisfying \Gamma(n) = (n-1)!\quad\forall n\in\mathbb N is via the Euler integral

\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.

Tip: To make sure mathematical expressions are rendered properly on your website, include MathJax into your template:

<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML"></script>

Note: You can find more information about LaTeX mathematical expressions here.

UML diagrams

You can also render sequence diagrams like this:

Alice->Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->Alice: I am good thanks!

And flow charts like this:

st=>start: Start
e=>end
op=>operation: My Operation
cond=>condition: Yes or No?

st->op->cond
cond(yes)->e
cond(no)->op

Note: You can find more information:

• about Sequence diagrams syntax here,
• about Flow charts syntax here.

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1. Here is the text of the footnote. ↩︎