The reliability of OVH has so far not been a problem. Performance is mostly a factor of the VM instances that you use, AWS has much more instances to choose from, but obviously at a much higher cost, so performance per dollar is obviously better with OVH.

That's already answered in OP's article.

k8s:

> Good stability.

S3:

> AWS S3 is the premier cloud-based object storage service. It may have higher availability, but it’s three times more expensive than OVH’s S3 storage.