Concat var with string

[cesarureno]

Hello guys, how I can concat var with new string, I try this, but doesn't work

BASE_URL=https://e229-2806-103e-15-22e7-2d18-3eeb-8994-4740.ngrok-free.app/
API_BASE_URL=$BASE_URL+api/

[mahee510]

@cesarureno Try like this,

BASE_URL=https://e229-2806-103e-15-22e7-2d18-3eeb-8994-4740.ngrok-free.app/
API_BASE_URL=${BASE_URL}api/

Use ${} for the String concatenation.