Not sure that git has transformed anything. Before git I used SVN and it also worked for me. Regarding Docker it's not a security tool at all as and zero downtime was always available with a couple of servers and load balancer. Strange article, but ok.
I have used CVS,SVN and git. If git hasn't transformed VCS what has then?
Yes ZDD was there since a decade but Docker and k8s made it easier.
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