Container Image Linter for Security, Helping build the Best-Practice Docker Image, Easy to start
DockerSlim (docker-slim): Don't change anything in your Docker container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)
A process for automating Docker container base image updates.
Fast and flexible Docker image building tool, works in unprivileged containerized environments like Mesos and Kubernetes.