I'm curious about Sliplane.io, but the "Why It Was Not a Fit" section has me a bit confused, especially since the "XX-Large" plan only offers 32 GB of RAM. Also, with just four server locations, I'm wondering how distributed Sliplane's capabilities are. It seems like Fly.io and Sliplane might target different needs, so comparing them directly feels a little wrong.
Thanks for the thoughtful response. You're totally right, Fly.io and Sliplane solve different problems. This post isn’t saying “Fly is bad,” just that it didn’t work for this specific use case: isolated Docker builds with large, persistent volumes and heavy RAM usage per build VM.
To clarify: the 32 GB RAM mention wasn’t about our hosting plans, but about the Firecracker VMs we spin up internally for customer builds. Those are short-lived and run on separate infrastructure from customer-facing services.
And yes, we currently operate out of four regions. Although 90% of our servers are in Germany anyway. We do not want to be like Fly with 40 regions, this is a deliberate decision :)
I'm curious about Sliplane.io, but the "Why It Was Not a Fit" section has me a bit confused, especially since the "XX-Large" plan only offers 32 GB of RAM. Also, with just four server locations, I'm wondering how distributed Sliplane's capabilities are. It seems like Fly.io and Sliplane might target different needs, so comparing them directly feels a little wrong.
Thanks for the thoughtful response. You're totally right, Fly.io and Sliplane solve different problems. This post isn’t saying “Fly is bad,” just that it didn’t work for this specific use case: isolated Docker builds with large, persistent volumes and heavy RAM usage per build VM.
To clarify: the 32 GB RAM mention wasn’t about our hosting plans, but about the Firecracker VMs we spin up internally for customer builds. Those are short-lived and run on separate infrastructure from customer-facing services.
And yes, we currently operate out of four regions. Although 90% of our servers are in Germany anyway. We do not want to be like Fly with 40 regions, this is a deliberate decision :)
Does that make it clearer?
Yes! Thanks for the clarifications.