Learn how to offload file transfers from an application server to the client using Presigned URLs in a Spring Boot application. These time-limited URLs allow for secure uploads and downloads directly to/from a storage solution like Amazon S3.
Table of contents
Example CodeUse Cases and Benefits of Presigned URLsConfigurationsGenerating Presigned URLsRequired IAM PermissionsEnabling Cross-Origin Resource Sharing (CORS)Integration Testing with LocalStack and TestcontainersConclusion22 Impressions