flake rework

nix/docker.nix

@@ -0,0 +1,19 @@
+{ dockerTools
+, demostf-sync
+,
+}:
+dockerTools.buildLayeredImage {
+  name = "demostf/sync";
+  tag = "latest";
+  maxLayers = 5;
+  contents = [
+    demostf-sync
+    dockerTools.caCertificates
+  ];
+  config = {
+    Cmd = [ "sync" ];
+    ExposedPorts = {
+      "80/tcp" = { };
+    };
+  };
+}

nix/overlay.nix

@@ -0,0 +1,4 @@
+prev: final: {
+  demostf-sync = final.callPackage ./package.nix { };
+  demostf-sync-docker = final.callPackage ./docker.nix { };
+}

nix/package.nix

@@ -0,0 +1,26 @@
+{ stdenv
+, rustPlatform
+, lib
+, pkg-config
+, openssl
+,
+}:
+let
+  inherit (lib.sources) sourceByRegex;
+  inherit (builtins) fromTOML readFile;
+  src = sourceByRegex ../. [ "Cargo.*" "(src)(/.*)?" ];
+  version = (fromTOML (readFile ../Cargo.toml)).package.version;
+in
+rustPlatform.buildRustPackage rec {
+  pname = "demostf-sync";
+
+  inherit src version;
+
+  buildInputs = [ openssl ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  cargoLock = {
+    lockFile = ../Cargo.lock;
+  };
+}