Why I need to reconfigure parts of the stack in first place? I am devops, so these things are automated. In general, plan your changes ahead of time, test and

Why I need to reconfigure parts of the stack in first place? I am devops, so these things are automated. In general, plan your changes ahead of time, test and automate them at staging servers, prove correctness of changes, and then deploy to production. Never do anything by hands (or by configuration tools) at production servers.