Hi,

It seems like createPresignedPost requires a policy for content-type. I've tried adding a content-type, but it still doesn't work. Could you please provide a working example of how to use createPresignedPost with Spaces?
I'm using the latest version of aws-sdk for NodeJS.

Also, an AWS employee stated on Github that createPresignedPost only works with V4 signatures (https://github.com/aws/aws-sdk-js/issues/1488#issuecomment-298054371). Is this confirmation that Spaces doesn't support createPresignedPost?

Thanks.