Docker Networking

For container-to-container communication, understanding Docker networking is critical. For more complex architectures:

• Use the bridge network for isolated containers that need to communicate.

docker network create my_bridge docker run --network=my_bridge myapp        

• For scaling across multiple hosts, utilize Docker Swarm or Kubernetes with overlay networks to connect containers across different nodes.

docker network create -d overlay my_overlay        

Consider integrating a service mesh like Istio or Linkerd for advanced traffic routing, security policies, and observability at scale.