chore: package as nix flake

Author: David Arnold

flake.lock

@@ -0,0 +1,30 @@
+{
+    
+    description = "Kubernetes object analysis with recommendations for improved reliability and security";
+
+    inputs.flake-utils.url = "github:numtide/flake-utils";
+
+    outputs = { self, nixpkgs, flake-utils }:
+        flake-utils.lib.eachDefaultSystem (system:
+            let pkgs = import nixpkgs { inherit system; }; in
+            rec {
+                packages.kube-score = pkgs.buildGoModule {
+                    name = "kube-score";
+                    src = self;
+                    vendorSha256 = "sha256-E9pcJsnoF/SKRCjrHZY8Ybd8kV1F3FYwdnLJ0mHyRLA="; # master
+                    # vendorSha256 = "sha256-COY4AonAvJhH+io6Z7I9CsK1pnsK/Yi248QMkVPK6u0="; # v1.7.2
+                    buildFlagsArray = ''
+                      -ldflags=
+                        -w -s
+                        -X main.version=rolling
+                        -X main.commit=${if self ? rev then self.rev else "dirty"}
+                        -X main.date=${self.lastModifiedDate}
+                        -X main.builtBy=nix
+                    '';
+                };
+                defaultPackage = packages.kube-score;
+                apps.kube-score = flake-utils.lib.mkApp { drv = packages.kube-score; };
+                defaultApp = apps.kube-score;
+            }
+        );
+}