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In this previous post, I chronicled my evolving understanding of PaaS and how it has taught me the virtues of treating your Platform as an Application (PaaA). Here I documented what I believe a self-respecting platform application should do. In this post I'm going to describe how I've seen PaaA help solve the Dev and Ops "problem"...

"Razor is an advanced provisioning application which can deploy both bare-metal and virtual systems. It's aimed at solving the problem of how to bring new metal into a state where your existing DevOps/configuration management workflows can take it over. Newly added machines in a Razor deployment will PXE-boot from a special microkernel image, then check in, provide Razor with inventory information, and wait for further instructions. Razor will consult user-created policy rules to choose which preconfigured model to apply to a new node, which will begin to follow the model's directions, giving feedback to Razor as it completes various steps. Models can include a handoff to a configuration management system or to another system capable of controlling the node (such as a vCenter server taking possession of ESX systems)."

"Define your app's environment with Docker so it can be reproduced anywhere"