express js bangla tutorial 12 : How to set up environment variables

Learning Outcome:
1) How to set up an environment variable?

Step 1: create an .env file in the root directory

Step 2: define environment variable(S) using uppercase letters and underscore if more than one word. Example -
PORT
DATABASE_URL

Step 3: Assign the values without double quotation and space
PORT=3000

Step 4: you can make a comment using #
# server port
PORT=3000

Step 5: install dotenv package - npm install dotenv

Step 6: require dotenv - require('dotenv').config();

Optional: DotENV Extension - nice syntax highlighting in your .env files.

list=PLgH5QX0i9K3r6ZGeyFnSv_YDxVON2P85m

[zakariahossain]

আমি port variable ছোট হাতের লিখতাম, কোন সমস্যা হতো না, আমি ভাবতাম স্যার কেন PORT সব বড় হাতের দিয়ে লেখে, ,

আজকে ক্লিয়ার বুঝে গেলাম ❤️❤️

[empireknight]

Thank you sir, apner kas thaka aie porjonto important onek kisu shikta ar janta parsi 💜💜💜

[justforyouactoractresslove]

Vaia I am your and computer science er big fan 🖤

[ayanshpaul]

Sir Express JS ar Playlist ta shash hoila valo hoy plzzz

[empireknight]

Sir, require('dotenv').config(); ataka kono variable a rakhlam na keno baki gular moto? Ata ki automatic vabei kaj korsa? Ar .config() er mul kaj ki?

[mohammadkadersheikh]

Assalamualykum vaya kemon asen vaya Api documentation er jonno tutorial chay and ecomarce poject korale khusi hotam

[mohammadkadersheikh]

vaya web e kivabe firebase use kora jay