Terraform and S3: Mastering CORS for Seamless Browser Uploads and Deployment Readiness
Ever been blocked at the final hurdle of deployment by something as seemingly simple as a file upload? For the justifai project, preparing for an end-to-end demo revealed a common, yet critical, oversight: S3 Cross-Origin Resource Sharing (CORS) configurations. This often overlooked detail can halt browser-based uploads dead in their tracks, especially when using presigned URLs, leading to