In short, a programmable cloud delivery network (CDN) aka front-end like Fly.io is an API by which to configure the logical edge of an application stack. Fly.io also provides an intuitive web UI which simplifies common administrative operations. Table of contents: Example of a multi-cloud backend fronted by …

Optimizing for determinism in virtual machines. This approach can be used to vend the same virtual machine image version in many formats e.g. VHD for Azure, Stack, and Hyper-V; OVA for VMware, VirtualBox; QCOW2 for KVM, and of course RAW. Table of contents: TL;DR Cloning vs Code Choosing …