{ inputs = {
    fenix = {
      url = "github:nix-community/fenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils.url = "github:numtide/flake-utils";
    naersk = {
      url = "github:nmattia/naersk";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixpkgs.url = "nixpkgs/nixpkgs-unstable";
  };

  outputs = { self, fenix, flake-utils, naersk, nixpkgs }:
    flake-utils.lib.eachDefaultSystem (system: 
    let
        pkgs = nixpkgs.legacyPackages.${system};
	target = "x86_64-unknown-linux-musl";
        toolchain = with fenix.packages.${system};
          combine [
            minimal.rustc
            minimal.cargo
            targets.${target}.latest.rust-std
          ];
    in
    {
      write-only-journal = (naersk.lib.${system}.override {
        cargo = toolchain;
        rustc = toolchain;
      }).buildPackage {
        src = ./.;
	CARGO_BUILD_TARGET = target;
        CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER =
          "${pkgs.pkgsCross.aarch64-multiplatform.stdenv.cc}/bin/${target}-gcc";
      };
      docker = pkgs.dockerTools.buildImage {
	  name = "write-only-journal";
	  tag = "latest";
	  contents = [ self.write-only-journal.${system} ];
	  config = {
	    Cmd = [ "write-only-journal" ];
	    Volumes = { "/journals" = { }; };
	    User = "1000";
	    ExposedPorts = {
	        "8080"={};
	    };
	  };
      };
    });
}