Thi

👉 We use dotenv. 👉 For VSCode, use DotENV extension.

Setting up

For a simple nodejs project,

npm init -y
npm i dotenv

# Create .env in this project
# MAKE SURE IGNORE IT IN GIT !!!

Usage in a Node.js

// At the top of the app
require('dotenv').config()

// Use
const db = require('db')
db.connect({
  host: process.env.DB_HOST,
  username: process.env.DB_USER,
  password: process.env.DB_PASS
})

Use with js file

Use with a simple .js file? Using command line!

node -r dotenv/config your_script.js

# Custom path
node -r dotenv/config your_script.js dotenv_config_path=/custom/path/to/.env

# Single variable
DOTENV_CONFIG_<OPTION>=value node -r dotenv/config your_script.js

Use it in Github?

# In Github Action
https://github.com/dinhanhthi/<your-repo>/settings/secrets/actions

# In Github Codespaces
https://github.com/dinhanhthi/<your-repo>/settings/secrets/codespaces

# In Dependabot
https://github.com/dinhanhthi/<your-repo>/settings/secrets/dependabot

An example of using Github Action (key SECRET_TOKEN is already defined in /settings/…),

``` bash

Use a GitHub Actions secret variable in a bash shell

name: Step 2 - GitHub Action if statement (true) env: WHO_TO_TRUST: $ if: env.WHO_TO_TRUST == ‘TrustNo1’ run: echo “I know what the secret token is!”

The following wiki, pages and posts are tagged with

Title	Type	Excerpt
Nodejs and NPM install on different platforms	post	Sun, Oct 24, 21, install nvm node npm and other packages, covered by Web Development with Node and Express by Ethan Brown
serverless application with nodejs	post	Thu, Nov 25, 21, three-tier architecture in user interface(presentation), functional process logic(business rules), computer data storage/access
node api firebase	page	summary.