APIs. Or the ends are achieved by sharing data between apps in common data storage. But I prefer to be a tourist in my infrastructure, I no longer hand-bomb changes to systems.

My design pattern is essentially to integrate more and more of the container creation into config. Right now I’m using ansible and it’s nice. More automation means troubleshooting has fewer variables.

I had issues yesterday with a package upgrade across several containers, and it ended up being two config changes. I cycle the apps and done. That’s it.