Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Source:-https://siliconangle.com Nearly 20 years ago, core principles of the DevOps movement were actually written down. That was when 17 software developers created the “Manifesto for Agile Software Development” and released it as a philosophy of teamwork and continuous delivery in February 2001. Those tenets remain very much a part of the DevOps culture today.