Containers are one of my newer playgrounds. As one who sees big potential in the DevOps movement, containerized applications are a logical consequence on the path towards a stable, cost-efficient and highly automated data center. Especially the drastic reduction of the application fingerprint led to much better utilization of existing resources. My current aim in this area is not so much to deliver the ultimate containerized application but more to develop an understanding of techniques that provide the optimal architectures to build those ultimate containerized applications. This contains continuous integration, small base images and advanced technologies like Kubernetes. As done with the Puppet modules, I also provide some of my Docker images on the Docker hub that can be found here. Like always, feedback and optimizations are welcome.