#24 ADD Pure nix builds (#36)

* #24 ADD Pure nix builds

1 files changed, 48 insertions, 39 deletions

diff --git a/flake.nix b/flake.nix
index f0afc44..dfb0698 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,52 +11,61 @@
     treefmt-nix.url = "github:numtide/treefmt-nix";
   };
 
-  outputs = 
-    { self, 
-      nixpkgs,
-      flake-parts,
-      treefmt-nix,
-      ... 
-    }@inputs:
+  outputs = { self, nixpkgs, flake-parts, treefmt-nix, ... }@inputs:
     flake-parts.lib.mkFlake { inherit inputs; } {
       systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
 
-      perSystem =
-        { pkgs, system, ... }:
-          let
-            treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
-          in
-          {
-            # This sets `pkgs` to a nixpkgs with allowUnfree option set.
-            _module.args.pkgs = import nixpkgs {
-              inherit system;
-              config.allowUnfree = true;
-            };
+      perSystem = { pkgs, system, ... }: 
+        let
+          erlang = pkgs.erlang_28; 
+
+          buildRebar3 = pkgs.beamPackages.buildRebar3 {
+            pname = "domino";     
+            version = "0.1.0";
+            src = ./.;           
+            beam = erlang;  
+            generate-lock = true; 
+            name = "domino";     
+            buildInputs = [ pkgs.rebar3 ];  
 
-            # nix build
-            packages = {
-              hello = pkgs.hello;
-              default = pkgs.hello;
+            meta = with pkgs.lib; {
+              description = "Domino Erlang Server";
+              license = pkgs.lib.licenses.mit;
+              platforms = pkgs.lib.platforms.all;
             };
+          };
+
+        in {
+          # This sets `pkgs` to a nixpkgs with allowUnfree option set.
+          _module.args.pkgs = import nixpkgs {
+            inherit system;
+            config.allowUnfree = true;
+          };
 
-            devShells = 
-              {
-                default = pkgs.mkShell {
-                  packages = with pkgs; [
-                    erlang_28
-                    erlang-language-platform
-                    rebar3
-                  ];
-                };
-              };
-
-            # nix fmt
-            formatter = treefmtEval.config.build.wrapper;
-
-            # nix flake check --all-systems
-            checks = {
-              formatting = treefmtEval.config.build.check self;
+          # nix build
+          packages = {
+            domino = buildRebar3;  
+            default = buildRebar3; 
+          };
+
+          # Define devShell for Erlang + Rebar3
+          devShells = {
+            default = pkgs.mkShell {
+              packages = with pkgs; [
+                erlang_28
+                erlang-language-platform
+                rebar3
+              ];
             };
           };
+
+          # Formatter setup for Nix files
+          formatter = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
+
+          # nix flake check --all-systems
+          checks = {
+            formatting = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
+          };
+        };
     };
 }