NGINX Cookbook

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The recipe wasn't about how production systems are deployed, as we were mixing host-deployed services with container-based ones. Most production deployments of Docker have 100 percent of services deployed within Docker containers, which simplifies networking.

In a typical production deployment, here's what we might see:

With everything containerized and isolated, we can still connect these without having to expose the ports to the world. Previously, this was called linking containers, and while the linking commands worked, they also had significant limitations. Instead, we now create distinct networks within the host.

These ...