🙃

backend/flake.lock

@@ -22,6 +22,24 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "naersk": {
       "inputs": {
         "fenix": "fenix",
@@ -75,6 +93,7 @@
     },
     "root": {
       "inputs": {
+        "flake-utils": "flake-utils",
         "naersk": "naersk",
         "nixpkgs": "nixpkgs_2"
       }
@@ -95,6 +114,21 @@
         "repo": "rust-analyzer",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

backend/flake.nix

@@ -4,15 +4,20 @@
   inputs = {
     naersk.url = "github:nix-community/naersk";
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
   };
 
   outputs = {
     self,
     naersk,
     nixpkgs,
-  }: let
+    flake-utils,
-    system = "x86_64-linux";
+  }:
-    pkgs = import nixpkgs {inherit system;};
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
         naerskLib = pkgs.callPackage naersk {};
         buildInputs = [pkgs.openssl];
         nativeBuildInputs = [pkgs.pkg-config];
@@ -40,5 +45,6 @@
             [ -z "$ZSH_VERSION" ] && exec ${pkgs.zsh}/bin/zsh -l
           '';
         };
-  };
+      }
+    );
 }