For over a year now, a large number of industry experts have been asking questions like “is PaaS becoming just a feature of IaaS?,” “is PaaS dying?,” “do you really need a PaaS?,” and “is PaaS dead?” This has raised great deal of passionate debate in Twitter-land and other social media outlets, although supporters of …
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Talking Immutable Infrastructure with Codeship
Yesterday I had a chat with the folks at Codeship, a continuous integration and continuous deployment platform. The topic of immutable infrastructure came up and was intriguing to me, so I thought I would write about it. So what is immutable infrastructure? The concept of immutable infrastructure is to never change your existing production servers. Instead, build new automated servers and destroy the old. This concept falls in line with the “fail forward” belief system of many modern-day DevOps evangelists who believe that tweaking servers or rolling back code from servers in highly distributed systems is too risky and causes more problems than it is worth.
Docker: Delivering Agility One Container at a Time
One of the most interesting innovations that I have seen is Docker. Docker is a Linux container engine that is simplifying the process of delivering environments.