with import <nixos> {};
{
    repositoryName = stdenv.mkDerivation {
    name = "repositoryName";
    buildInputs = [
      julia_10
      # Any other dependency you need
      #python36Packages.matplotlib
      python36Packages.jupyter
      openblas
      gfortran7
    ];

    SSL_CERT_FILE="/etc/ssl/certs/ca-certificates.crt";
    GIT_SSL_CAINFO="/etc/ssl/certs/ca-certificates.crt";

    # First important part: Add here the dependencies the packages you want to install need
    LD_LIBRARY_PATH="${glfw}/lib:${mesa_noglu}/lib:${freetype}/lib:${imagemagick}/lib:${portaudio}/lib:${libsndfile.out}/lib:${libxml2.out}/lib:${expat.out}/lib:${cairo.out}/lib:${pango.out}/lib:${gettext.out}/lib:${glib.out}/lib:${gtk3.out}/lib:${gdk_pixbuf.out}/lib:${cairo.out}:${tk.out}/lib:${tcl.out}/lib:${pkgs.sqlite.out}/lib:${pkgs.zlib}/lib:${openblas}/lib:${gfortran7}/lib";
    shellHook = ''
      unset http_proxy
      # This is the seconnd important part. Set a relative julia_pkgdir path so that they are specific to this
      # Nix env environment and are not global
      export JULIA_PKGDIR=$(realpath ./.julia_pkgs)
      mkdir -p $JULIA_PKGDIR
      # You could also call julia -e "Pkg.init()" # and if you want install the packages you need
      '';
    };
}