The DevOps movement has emerged as a set of solutions to a set of recurring problems which limit all manners of organisations’ abilities to deliver and to grow, characterised by the fact that they are attributed principally to the organisations’ Development and Operations departments having isolated approaches. Understanding DevOps really involves understanding these common problems and recognising solutions to them.

In many organisations, most issues are only identified when they are reported by customers or users ... is there an alternative ?

The quest for ‘zero downtime’ is most pertinent to production environments, where end users would otherwise be affected. Here we look at traditional blue-green deployment.