Architectural Patterns

IP addresses of a container

Each container get assigned with an IP address. In a containerized environment, multiple containers have to interact with one another in order to achieve business goals. Also, containers are terminated often and fresh containers are being created. Thus, relying upon IP addresses of containers for initiating container communication is beset with real challenges. The preferred approach is to create services. This will provide a logical name that can be referred to independent of the growing and shrinking number of containers. And it also provides a basic load balancing.

Also, do not use -p to publish all the exposed ports. This facilitates in running multiple containers and publishing their exposed ports. But this comes ...