programs.zsh = {
  enable = true;
  enableCompletion = true;
  syntaxHighlighting.enable = true;
  autosuggestions.enable = true;   # zsh-autosuggestions
  historySubstringSearch.enable = true;  # zsh-history-substring-search

  ohMyZsh = {
    enable = true;
    theme = "agnoster";  # or any theme you like
    plugins = [
      "git"
      "sudo"
      "extract"
      "colored-man-pages"
      "command-not-found"
      "history"
      "docker"
      "kubectl"
    ];
  };
};