As you can see there are no products displayed. I am hosting the SpringBoot app on heroku and it all works well when I’m accesing the endpoints, but when it tries to access them from heroku I get the 403 error as shown below.
I have no idea what you’re doing on the Heroku side of things, but you could just generally look into CORS, why you’re encountering the problem and then either handle it manually or look into using some middleware like cors - npm