{
  description = "Mobilizon fork for potsda.mn";

  inputs = {
    nixpkgs.url = "github:erictapen/nixpkgs/mobilizon-3";
    nix-filter.url = "github:numtide/nix-filter";
  };

  outputs = { self, nixpkgs, nix-filter }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
      filter = nix-filter.lib;
    in
    {

      packages.x86_64-linux = {
        mobilizon = pkgs.callPackage ./. {
          src = filter {
            root = ./.;
            exclude = [ (filter.matchExt "nix") ];
          };
          mobilizon-js = self.packages.x86_64-linux.mobilizon-frontend;
        };

        mobilizon-frontend = pkgs.callPackage ./js { inherit filter; };

        default = self.packages.x86_64-linux.mobilizon;

        # Update local Mobilizon definition
        update =
          pkgs.writeShellScriptBin "update" ''
            set -eou pipefail

            ${pkgs.yarn2nix}/bin/yarn2nix --lockfile="./js/yarn.lock" > js/yarn.nix
            ${pkgs.mix2nix}/bin/mix2nix ./mix.lock > mix.nix
          '';

      };

      devShells.x86_64-linux.default =
        pkgs.mkShell {
          buildInputs = with pkgs; [
            elixir
            mix2nix
            cmake
            imagemagick
            (yarn.override {
              nodejs = nodejs-18_x;
            })
            yarn2nix
            nodejs-18_x
          ];
        };

    };
}