4 The `Dockerfile` script requires a version of `docker` >= 17.05
8 The official docker install docs use a ppa with a modern version available:
9 https://docs.docker.com/install/linux/docker-ce/ubuntu/
13 `docker build -t zstd .`
18 echo foo | docker run -i --rm zstd | docker run -i --rm zstd zstdcat