Week 2. "Why does my pipeline take eleven minutes to install packages I installed yesterday?" Junior Engineer: Last time you left me on a cliffhanger — npm ci is about to run. Where do the dependencies actually come from? Does the runner already have them? Senior Engineer: Think back to Episode 2. What did we say about hosted runners? Junior Engineer: Fresh VM every time. Nothing left over from the last job. Senior Engineer: So answer your own question. Junior Engin...