backend/frontend init

code/backend/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "dotenv": "^16.5.0",
+    "express": "^5.1.0",
+    "pg": "^8.15.6"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.1",
+    "@types/node": "^22.15.2",
+    "ts-node": "^10.9.2",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^5.8.3"
+  },
+  "scripts": {
+    "start": "ts-node src/server.ts",
+    "build": "tsc",
+    "dev": "ts-node-dev --respawn src/server.ts"
+  }
+}

code/backend/src/server.ts

@@ -0,0 +1,13 @@
+import express, { Request, Response } from 'express';
+
+const app = express();
+const port = 3000;
+
+app.get('/', (req: Request, res: Response) => {
+  res.send('Hallo, Welt mit TypeScript!');
+});
+
+app.listen(port, () => {
+  console.log(`Server läuft auf http://localhost:${port}`);
+});
+

code/backend/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "outDir": "./dist"
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules"]
+}
+