VMs are lightweight now, though containers are lighter still; ref: https://fly.io/blog/sandboxing-and-workload-isolation/
Btw, Docker wasn't about security as much as it was about "package once, run anywhere".
> Now we've got VMs that run Docker?
Fly.io doesn't run Docker as-is, but rather unpacks it and runs it in a guest through containerd; ref: https://fly.io/blog/docker-without-docker/
> ...what is the advantage?
This has been discussed numerous times, and here's a link to one such discussion: https://news.ycombinator.com/item?id=26747701
Read also: https://gruchalski.com/posts/2021-03-03-thoughts-on-creating...
VMs are lightweight now, though containers are lighter still; ref: https://fly.io/blog/sandboxing-and-workload-isolation/
Btw, Docker wasn't about security as much as it was about "package once, run anywhere".
> Now we've got VMs that run Docker?
Fly.io doesn't run Docker as-is, but rather unpacks it and runs it in a guest through containerd; ref: https://fly.io/blog/docker-without-docker/
> ...what is the advantage?
This has been discussed numerous times, and here's a link to one such discussion: https://news.ycombinator.com/item?id=26747701
Read also: https://gruchalski.com/posts/2021-03-03-thoughts-on-creating...