I have used Sequel Pro as a GUI to connect to databases with previous projects which were done using Laravel 5.4. It seemed simple enough to connect to the database using the Sequel Pro GUI. I have tried following the following tutorial Rails and link to a PSequel GUI
These are the setting I have.
This is the error I am getting.
What do I need to do to configure it for the GUI?
Default postgres port is 5432. As I see from the screenshot, you are trying to connect to port 3000. So at least you should change port to 5432 if you have default postgres setup.