Setup Express CDN Server Project Structure and Initial Configuration

cdn-server/.gitignore

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+node_modules/
+dist/
+.env
+*.log
+.DS_Store
+.vscode/
+.idea/
+coverage/
+*.tgz

cdn-server/package.json

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+{
+  "name": "express-cdn-server",
+  "version": "1.0.0",
+  "description": "Secure Express CDN File Server",
+  "main": "src/server.ts",
+  "scripts": {
+    "start": "ts-node src/server.ts",
+    "dev": "nodemon src/server.ts",
+    "test": "vitest",
+    "test:coverage": "vitest run --coverage"
+  },
+  "keywords": ["cdn", "express", "file-server"],
+  "author": "",
+  "license": "ISC"
+}

cdn-server/src/server.ts

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+import express from 'express';
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+app.get('/', (req, res) => {
+  res.json({ message: 'CDN Server Initialized' });
+});
+
+const server = app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});
+
+export { app, server };

cdn-server/tests/server.test.ts

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+import { describe, it, expect, afterAll } from 'vitest';
+import request from 'supertest';
+import { app, server } from '../src/server';
+
+describe('Express Server', () => {
+  it('should respond to root route', async () => {
+    const response = await request(app).get('/');
+    expect(response.status).toBe(200);
+    expect(response.body).toEqual({ message: 'CDN Server Initialized' });
+  });
+
+  afterAll(() => {
+    server.close();
+  });
+});

cdn-server/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "**/*.spec.ts"]
+}

cdn-server/vitest.config.ts

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+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    include: ['tests/**/*.{test,spec}.{js,ts}'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html']
+    }
+  }
+});