Added Nbgrader

flake.nix

@@ -0,0 +1,161 @@
+{
+    description = "Docker JupyterHub development environment";
+
+    inputs = {
+        nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+        flake-utils.url = "github:numtide/flake-utils";
+    };
+
+    outputs = { self, nixpkgs, flake-utils, ... }:
+        flake-utils.lib.eachDefaultSystem (system:
+        let
+            pkgs = nixpkgs.legacyPackages.${system};
+
+            app = {
+                setup-dev = pkgs.writeShellScriptBin "setup-dev" ''
+                    echo "Setting up basic Project Structure"
+                    echo "----------------------------------"
+                    echo "Setting up logs directory"
+                    mkdir -p logs
+                    mkdir -p logs/nginx 
+                    mkdir -p logs/jupyterhub 
+                    mkdir -p logs/postgres
+                    echo "Logs Directory:"
+                    tree logs/
+                    echo ""
+                    echo "Setting up jupyter-data"
+                    mkdir -p jupyter-data/nbgrader/courses/example-course/{autograded,feedback,release,source/assigment1,submitted}
+                    mkdir -p jupyter-data/nbgrader/{exchange,users}
+                    cat > jupyter-data/nbgrader/courses/example-course/source/assigment1/sample.ipynb << 'EOL' 
+                    {
+                        "cells": [
+                            {
+                                "cell_type": "markdown",
+                                "metadata": {},
+                                "source": [
+                                    "# Sample Notebook\n",
+                                    "## Created with Bash\n",
+                                    "\n",
+                                    "This Jupyter notebook was generated automatically using a bash script."
+                                ]
+                            },
+                            {
+                                "cell_type": "code",
+                                "execution_count": null,
+                                "metadata": {},
+                                "outputs": [],
+                                "source": [
+                                    "# Python code example\n",
+                                    "import numpy as np\n",
+                                    "import matplotlib.pyplot as plt\n",
+                                    "\n",
+                                    "x = np.linspace(0, 10, 100)\n",
+                                    "y = np.sin(x)\n",
+                                    "\n",
+                                    "plt.plot(x, y)\n",
+                                    "plt.title('Sine Wave')\n",
+                                    "plt.show()"
+                                ]
+                            },
+                            {
+                                "cell_type": "markdown",
+                                "metadata": {},
+                                "source": [
+                                    "## Next Steps\n",
+                                    "\n",
+                                    "- Run the code cells\n",
+                                    "- Add more cells\n",
+                                    "- Experiment with different Python libraries"
+                                ]
+                            }
+                        ],
+                        "metadata": {
+                            "kernelspec": {
+                                "display_name": "Python 3",
+                                "language": "python",
+                                "name": "python3"
+                            },
+                            "language_info": {
+                                "codemirror_mode": {
+                                    "name": "ipython",
+                                    "version": 3
+                                },
+                            "file_extension": ".py",
+                            "mimetype": "text/x-python",
+                            "name": "python",
+                            "nbconvert_exporter": "python",
+                            "pygments_lexer": "ipython3",
+                            "version": "3.8.5"
+                            }
+                        },
+                        "nbformat": 4,
+                        "nbformat_minor": 4
+                    }
+                    EOL
+                    echo "jupyter-data Directory:"
+                    tree jupyter-data
+                '';
+                
+                storage = pkgs.writeShellScriptBin "storage" ''
+                    echo "Creating storage"
+                    mkdir -p storage/{jupyter,postgres}
+                    chmod -R 644 storage/
+                '';
+
+                build = pkgs.writeShellScriptBin "build" ''
+                    echo "Building all Containers"
+                '';
+
+                clean = pkgs.writeShellScriptBin "clean" ''
+                    echo "Cleaning Project"
+                    echo "----------------------------------"
+                    echo "Removing logs"
+                    rm -rf logs/
+                    echo "Removing jupyter-data"
+                    rm -rf jupyter-data/
+                '';
+
+                reset = pkgs.writeShellScriptBin "reset" ''
+                   ${app.clean}/bin/clean
+                   ${app.setup-dev}/bin/setup-dev
+                '';
+            };
+        in
+        {
+        devShells.default = pkgs.mkShell {
+            buildInputs = with pkgs; [
+                # For deployment/testing
+                docker
+                docker-compose
+
+                # Terminal Tools
+                tree
+            ] ++ (builtins.attrValues app);
+
+            shellHook = ''
+                echo "JupyterHub dev shell"
+                echo "------------------------------------"
+                echo "$(docker --version)"
+                echo "------------------------------------"
+                echo "Available commands:"
+                echo "  setup-dev - Set Up dev environment"
+                echo "  clean - Clean the Project"
+                echo "  reset - Reset project completly (Use with caution it whipes all generated Data)"
+            '';
+        };
+
+        apps = {
+            setup-dev = {
+                type = "app";
+                program = "${app.setup-dev}/bin/setup-dev";
+            };
+
+            build = {
+                type = "app";
+                program = "${app.build}/bin/build";
+            };
+            
+            default = self.apps.${system}.dev;
+        };
+    });
+}