nix build available!

flake.nix

@@ -3,49 +3,85 @@
 
   inputs = {
     nixpkgs.url      = "github:NixOS/nixpkgs/nixos-unstable";
-    rust-overlay.url = "github:oxalica/rust-overlay";
+    crane.url = "github:ipetkov/crane";
     flake-utils.url  = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
+  outputs = { self, nixpkgs, crane, flake-utils, rust-overlay, ... }:
     flake-utils.lib.eachDefaultSystem (system:
       let
+      # reference: https://crane.dev/examples/quick-start-workspace.html
         overlays = [ (import rust-overlay) ];
         pkgs = import nixpkgs { inherit system overlays; };
-        rustChannel = pkgs.rust-bin.nightly.latest;
+
+        inherit (pkgs) lib;
+
+        rustToolchainFor = p: p.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override {
+          extensions = [ "rust-src" ];
+        });
+        
+        craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchainFor;
+        src = craneLib.cleanCargoSource ./.;
+
+        commonArgs = {
+          inherit src;
+          strictDeps = true;
+          # Add additional build inputs here
+          buildInputs = with pkgs; [
+            pkg-config
+          ];
+
+          nativeBuildInputs = with pkgs; [
+            openssl
+            protobuf
+          ];
+        };
+        cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
+        individualCrateArgs = commonArgs // {
+          inherit cargoArtifacts;
+          inherit (craneLib.crateNameFromCargoToml { inherit src; }) version;
+          doCheck = false;
+        };
+
+        fileSetForCrate = crate: lib.fileset.toSource {
+          root = ./.;
+          fileset = lib.fileset.unions [
+            ./Cargo.toml
+            ./Cargo.lock
+            (craneLib.fileset.commonCargoSources ./app)
+            (craneLib.fileset.commonCargoSources ./service)
+            (craneLib.fileset.commonCargoSources crate)
+          ];
+        };
+
+        faas-rs-crate = craneLib.buildPackage ( individualCrateArgs // {
+          pname = "faas-rs";
+          cargoExtraArgs = "--bin faas-rs";
+          src = fileSetForCrate ./app;
+        });
       in
       with pkgs;
       {
-        devShells.default = mkShell {
-          buildInputs = [
-            openssl
-            pkg-config
-            protobuf
-            containerd
-            runc
-            (rustChannel.default.override {
-              extensions = [ "rust-src" ];
-            })
+        checks = { inherit faas-rs-crate; };
+
+        packages.default = faas-rs-crate;
+
+        devShells.default = craneLib.devShell {
+          checks = self.checks.${system};
+
+          inputsFrom = [ faas-rs-crate ];
+
+          packages = [
+            pkgs.cargo-hakari
+            pkgs.containerd
+            pkgs.runc
           ];
         };
-        defaultPackage = stdenv.mkDerivation {
-          name = "faas-rs-${rustChannel._version}";
-          src = ./.;  # 当前项目目录作为源码
-          buildInputs = [
-            openssl
-            pkg-config
-            protobuf
-            rustChannel.rustc    # Rust 编译器
-            rustChannel.cargo    # Cargo 工具
-          ];
-          buildPhase = ''
-            cargo build --release
-          '';
-          installPhase = ''
-            mkdir -p $out/bin
-            cp target/release/* $out/bin
-          '';
-        };
       }
     );
 }