gistfile1.txt

{ pkgs ? import <nixpkgs> {  } }:

with pkgs;
pkgs.dockerTools.buildLayeredImage {
  name = "hgweb";
  tag = "latest";
  contents = [
    pkgs.nginx 
    pkgs.bash
    pkgs.coreutils
    pkgs.mercurial
    (pkgs.python2.withPackages (ps : [ps.numpy]))
    pkgs.vim
    pkgs.curl
    pkgs.apacheHttpd 
    pkgs.apacheHttpdPackages.mod_wsgi
    (writeTextFile { 
      name = "passwd"; 
      text = builtins.concatStringsSep "\n" [ 
          "daemon:x:1:1:daemon:/:/bin/sh"
          "www-data:x:2:2:www-data:/:/bin/sh"
      ]; 
      destination = "/etc/passwd"; })
    (writeTextFile { 
      name = "group"; 
      text = builtins.concatStringsSep "\n" [ 
          "daemon:x:1:daemon"
          "www-data:x:1:www-data"
      ];
      destination = "/etc/group"; })
  ];
  extraCommands = ''
    #!${pkgs.stdenv.shell}
    # create dummy hgrc to keep debuginstall happy
    #[ui]
    #username = Dummy User <nobody@example.com>
    #cp ${./dummyhgrc} ~/hgrc

    ${mercurial}/bin/hg debuginstall

    httpd_conf=$(cat ${apacheHttpd}/conf/httpd.conf)
    module_load_conf="LoadModule wsgi_module ${pkgs.apacheHttpdPackages.mod_wsgi}/modules/mod_wsgi.so"
    hg_conf=$(cat ${./hg.conf})

    echo "$httpd_conf" >> httpd.conf
    echo "$module_load_conf" >> httpd.conf
    echo "$hg_conf" >> httpd.conf

    cp -r ${./htdocs} hg-htdocs
    cp ${./entrypoint.sh} entrypoint.sh
    cp ${./make_repo.sh} make_repo.sh

    chmod +x entrypoint.sh
    chmod +x make_repo.sh
  '';
  config = {
    Cmd = ["/entrypoint.sh"];
    ExposedPorts = {
      "80/tcp" = {};
    };
  };
}