The official AWS SDK can be difficult to use, so we're going to use the aws-s3 library instead.
We'll set up the configuration first, and I'll show you how to find all the information you'll need -- including stuff that S3 for some reason tries to hide from you, such as the key for your region.
Then we'll compute a unique file name and upload the file. There is an error in this process that I believe is caused by the aws-s3 library, and I'll show you how to work around it and make stuff work anyways.
Because we put our code in a component, we can easily use this for both the Thumbnail Image and the Video File