{
  description = "pile - personal data indexer";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, rust-overlay, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ (import rust-overlay) ];
        pkgs = import nixpkgs { inherit system overlays; };

        rustToolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;

        rustPlatform = pkgs.makeRustPlatform {
          cargo = rustToolchain;
          rustc = rustToolchain;
        };

      in {
        packages.default = import ./default.nix { inherit pkgs rustPlatform; };

        devShells.default = pkgs.mkShell {
          buildInputs = [
            rustToolchain
            pkgs.pdfium-binaries
            pkgs.openssl
            pkgs.pkg-config
          ];

          LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [ pkgs.pdfium-binaries ];
        };
      });
}