{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs";
    fenix.url = "github:nix-community/fenix";
    prisma-engines.url = "github:prisma/prisma-engines?ref=4.11.0";
  };

  outputs = { self, nixpkgs, flake-utils, fenix, prisma-engines }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [
            fenix.overlays.default
            (final: prev: {
              prisma-engines = prisma-engines.packages.${system}.prisma-engines;
            })
          ];
        };

        lib = pkgs.lib;

        prisma-env =
          import ./nix/prisma-env.nix { inherit (pkgs) prisma-engines; };

        toolchain = pkgs.fenix.default;

        flakePkgs = rec {
          mdbook-tera =
            pkgs.callPackage ./nix/mdbook-tera.nix { inherit toolchain; };
        };
      in rec {
        packages = flake-utils.lib.flattenTree flakePkgs;

        devShell = pkgs.mkShell ({
          packages = with pkgs; [
            cargo-deny
            cargo-edit
            cargo-expand
            cargo-flamegraph
            cargo-watch

            deno
            openssl
            yq

            mdbook
            flakePkgs.mdbook-tera

            (python310.withPackages (p: with p; [ ipython numpy scipy sympy ]))

            pkgs.fenix.minimal.cargo
            pkgs.fenix.minimal.rustc

            # Get the nightly version of rustfmt so we can wrap comments
            pkgs.fenix.default.rustfmt
          ];
        } // prisma-env);
      });
}