feat: 2109s add flake

cs2109s/labs/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712310679,
+        "narHash": "sha256-XgC/a/giEeNkhme/AV1ToipoZ/IVm1MV2ntiK4Tm+pw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "72da83d9515b43550436891f538ff41d68eecc7f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-23.11",
+        "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
+}

cs2109s/labs/flake.nix

@@ -0,0 +1,37 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: 
+    let pkgs = import nixpkgs {
+      inherit system;
+      config = {
+        allowUnfree = true;
+	cudaSupport = true;
+      };
+    };
+    in rec {
+      devShell = pkgs.mkShell {
+         buildInputs = with pkgs; [
+	 cudaPackages.cudatoolkit
+          (python3.withPackages(ps: with ps; [
+            ipython
+            jupyter
+            numpy
+            pandas
+	    matplotlib
+	    torch
+	    scikit-learn
+	    timeout-decorator
+	    torchvision
+          ]))
+        ];
+        shellHook = "jupyter notebook --ip='100.64.0.8'";
+      };
+    }
+  );
+}