Docker is easy to use because it leverages something that most programmers already know - how to run commands in the shell. Writing a Dockerfile is mostly just

Docker is easy to use because it leverages something that most programmers already know - how to run commands in the shell. Writing a Dockerfile is mostly just figuring out which commands you need to execute, and writing them down. Writing a Nix package is mostly just scratching your head at incomplete documentation, and hanging out at Nix IRC channel hoping someone will help you.