DevOps

Never accept a diff if there’s no explanation for the question, “how will you know when this code breaks?  how will you know if the deploy is not behaving as planned?”  Instrument every commit so you can answer this question in production.

Karpenter

Another lifesaver is using RUN --mount type=cache when installing packages. This little gem keeps your package cache intact between builds. No more re-downloading the entire internet every time you build your image. It’s especially handy when you’re working with large dependencies. Implement this, and watch your build efficiency go through the roof.