How I write backends with Federico Pereiro

Federico has been writing backends for web applications since 2012 and is the co-founder and chef of alto;code. He wrote a post on GitHub named "How I write backends" that summarizes his process.
We discuss:
His current stackRedis as a primary data storeReducing the number of layers in your softwareHow duplicating input validation makes code harder to understandIntegration tests over unit testsMinimizing dependenciesWhy you should never normalize alerts
Federico Pereiro
Personal SiteHow I write backendsOur companyac;pic, our pictures applicationac;tools, our backend services
Related LinksFred Brooks & The Mythical Man Month (conceptual integrity)Steve Yegge - Code's worst enemySteve Yegge - Platforms rant (no backdoors, all services talking through the wire as if they were external actors)Book of Hook - Suffer no jankinessTaiichi Ohno & the Toyota Production SystemAuto-activation in software