How to run gatsby on a PORT mentioned in a .env file

Question

I am trying to run gatsby on a different port, But the port had to come via .env file.

I tried to put env varibale in commandline

gatsby develop -p process.env.GATSBY_PORT

Answer 1

You can try:

. ./.env && gatsby develop -p $GATSBY_PORT

This will export the variables from the .env file .