Building a Cloud from Scratch: Automation at Scale

This blog post details Railway's journey in building their own cloud infrastructure from the ground up. Their first hurdle was mapping physical hardware to OS-visible device names. They leveraged the Redfish API to gather hardware information and automated configuration using MetalCP and Temporal workflows. For OS installation, they cleverly combined Pixiecore, the Debian Installer, and Claude AI for one-click deployment. Finally, they built a highly reliable L3 network using BGP unnumbered and FRR, achieving scalability and automated management.
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