Add flake.nix

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1671268780,
+        "narHash": "sha256-9Okbivo10bcXEGCtmAQNfJt1Zpk6B3tjkSQ2CIXmTCg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "80c24eeb9ff46aa99617844d0c4168659e35175f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,13 @@
+{
+  description = "A very basic flake";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs }: {
+
+    packages.x86_64-linux.temp-prometheus = import ./. { pkgs = nixpkgs.legacyPackages.x86_64-linux; };
+
+    packages.x86_64-linux.default = self.packages.x86_64-linux.temp-prometheus;
+
+  };
+}