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In Arc-Enabled Servers we have a quite a lot of different config files which need to be mostly the same, but a little different for each region we deploy into. For example, we have values that are used by Helm charts for each region:

There’s a lot of discussion about Technical Debt in Software Engineering. I believe the term originated on the C2 wiki. It’s often used to explain to non-software-engineers why it’s important to invest in code quality.

Every so often, someone claims to have created a perpetual motion machine, or a source of free energy - some kind of contraption which does work without any external power source. Anyone with any physics background knows that this is impossible, due to the laws of thermodynamics, but these claims still find a small credulous audience. Normally the device is accompanied by lots of handwaving to obscure the fact that it can’t possibly work.