Quick one-liner: Scale worker containers with one command and add restart policies so crashed services recover on their own. Then hit the one problem restart policies can't solve. 🤔 Why This Matters In the last post, you put nginx in front of a Python web app. One backend, one load balancer, and it works fine. Then traffic picks up and that single backend starts choking. You need another one. So you add a second container to your compose file, update nginx.conf to include it, and restart everything. It works. Traffic grows and you add a third. You edit the compose file, add another upstream entry in nginx.conf, and restart. Same drill. Here's where things get interesting. One of those backends crashes. Maybe a memory leak, maybe a bad request triggers a segfault. It goes down, but nginx doesn't know about it. It keeps routing requests to the dead container and users start seeing errors. We'll work through both of these problems in this post. ✅ Prerequisites Ep 1-8 completed.…