Follow the instructions in the unit "SQL | Introduction" to install PostgreSQL in your computer (you'll find instructions for each operating system: windows, mac, linux).
Important
Remember the credentials (username and password). \
Description
Instructions to run this app in my computer. Probably something like this:
npm install)in case you're using environment variables: explain that I'd need to create a .env file and add environment variables (remember to detail all the variables that I may need to create, if I need to create an account to get some credentials etc.)