Failed to load resource ‘http://localhost:3000’ has been blocked by CORS policy [duplicate]
This question already has answers here: Understanding CORS (3 answers) Cross-origin resource sharing (CORS) concept (4 answers) What is the issue CORS is trying to solve? (4 answers) Why does my JavaScript code receive a “No ‘Access-Control-Allow-Origin’ header is present on the requested resource” error, while Postman does not? (15 answers) No ‘Access-Control-Allow-Origin’ header is […]