first

flake.nix

@@ -0,0 +1,59 @@
+{
+  description = "A Rust project with development environment and build support";
+
+  inputs = {
+    #nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs @ { self, nixpkgs, rust-overlay, ... }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ rust-overlay.overlays.default ];
+        };
+      });
+    in
+    {
+      # Define the package (your Rust binary)
+      packages = forEachSupportedSystem ({ pkgs }: {
+        default = pkgs.rustPlatform.buildRustPackage {
+          name = "bitBeam";
+          src = ./.;
+
+          # Specify dependencies (replace with your project's actual dependencies)
+          buildInputs = [ pkgs.openssl pkgs.pkg-config ];
+
+          # Generate this with `cargo generate-lockfile` if you don't have it
+          cargoLock = {
+            lockFile = ./Cargo.lock;
+          };
+
+          # Optional: Override the Rust version if needed
+          nativeBuildInputs = [ pkgs.rust-bin.stable.latest.default ];
+        };
+      });
+
+      # Development environment (existing setup)
+      devShells = forEachSupportedSystem ({ pkgs }: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            rust-bin.stable.latest.default
+            openssl
+            pkg-config
+            cargo-deny
+            cargo-edit
+            cargo-watch
+            rust-analyzer
+          ];
+          RUST_SRC_PATH = "${pkgs.rust-bin.stable.latest.default}/lib/rustlib/src/rust/library";
+        };
+      });
+    };
+}