Two-step presigned upload: your server signs, the browser PUTs directly to S3/R2/GCS/Azure. Works with any provider that supports presigned URLs. The signing shape is all this adapter needs to know.
Two-step presigned upload: your server signs, the browser PUTs directly to S3/R2/GCS/Azure. Works with any provider that supports presigned URLs. The signing shape is all this adapter needs to know.