We just had a roll-out weekend at our client (large corporate Bank). In this particular context it means that 5 months of 40 people-strong developer squad’s work has been deployed on production environments. Just to give you some plain numbers: 1 deployment night 8 developer teams’ work 52 different applications (service-oriented, heavily communicating with each other) 81 source-controlled branches 588 unique deployment-ready artifacts (each of them independently versioned) - assemblies, config packs, etc. It went very smoothly. Two people (in parallel) fully deployed all those apps in approximately 4 hours (with all the checks, synchronizations and smoke tests). We…