{
  description = "tlater.net web server";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-20.09";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs = {
        flake-utils.follows = "flake-utils";
        nixpkgs.follows = "nixpkgs";
      };
    };
  };

  outputs = { self, nixpkgs, flake-utils, rust-overlay }@inputs:
    flake-utils.lib.simpleFlake {
      inherit self nixpkgs;
      name = "tlaternet";
      preOverlays = [ rust-overlay.overlay ];

      shell = { pkgs }:
        let
          rust_channel =
            pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
        in pkgs.mkShell {
          nativeBuildInputs = with pkgs; [
            (rust_channel.override {
              extensions =
                [ "rust-src" "rust-analysis" "rust-analyzer-preview" ];
            })
            pkgconfig
          ];
          buildInputs = with pkgs; [ openssl ];
        };
    };
}