Setup api and express

.gitignore

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+node_modules
+dist
+.env

api/package.json

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+{
+  "name": "ecommerce-api",
+  "version": "1.0.0",
+  "description": "",
+  "license": "ISC",
+  "author": "",
+  "type": "module",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev" : "node --import=tsx --watch --env-file=.env src/index.ts",
+    "build": "tsc"
+  },
+  "dependencies": {
+    "express": "^5.1.0"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.3",
+    "tsx": "^4.20.3",
+    "typescript": "^5.8.3"
+  }
+}

api/src/index.ts

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+import express from 'express';
+
+const app = express();
+const port = 3000;
+ 
+app.get('/', (req, res) => {
+  res.send('Hello World! 123')
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})

tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "ESNext", // Use ESNext for ESM
+    "target": "ES2020", // Target modern ECMAScript versions
+    "moduleResolution": "node",
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "outDir": "./dist", // Output directory for compiled files
+    "strict": true, // Enable strict type-checking options
+    "skipLibCheck": true, // Skip type checking of declaration files
+    "resolveJsonModule": true, // Include JSON imports
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": false, // Allow emitting output
+    "isolatedModules": true, // Required for using ESM modules
+    "baseUrl": ".", // Allow absolute imports relative to project root
+    "paths": {
+      "*": ["node_modules/*"]
+    }
+  }
+}