feat: add nix flake for development

.envrc

@@ -0,0 +1,2 @@
+use flake
+export SHELL=$(which bash)

.gitignore

@@ -1 +1,2 @@
 1password-credentials.json
+.direnv

flake.lock

@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "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"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1732030272,
+        "narHash": "sha256-gbBICByjt1UDdRhv5BM0J5aKmA3PCF/Wj9b3RWabtUE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "f89fd475c539369dae474126b4d82ec87fbb2a1d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "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",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,31 @@
+{
+  description = "Flake to work with homelab setup";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      # Import nixpkgs to access packages
+      pkgs = import nixpkgs { inherit system; };
+
+      # Define the devshell
+      devShell = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          helmfile
+          kubernetes-helm
+          kubernetes-helmPlugins.helm-diff
+          kubectl
+
+          # Adding node for copilot
+          nodejs_20
+        ];
+      };
+    in {
+      # Define the devShell for the current system
+      devShell = devShell;
+    }
+  );
+}