init: turbo repo entrypoint with api

.gitignore

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+# Dependencies
+node_modules/
+**/node_modules/
+
+# Turborepo
+.turbo/
+**/.turbo/
+
+# Build outputs
+.next/
+**/.next/
+dist/
+**/dist/
+build/
+**/build/
+out/
+**/out/
+*.tsbuildinfo
+
+# Environment files (keep the example)
+.env
+.env.*
+!.env.example
+
+# Logs
+*.log
+npm-debug.log*
+
+# Testing
+coverage/
+
+# Docker overrides (local only)
+docker-compose.override.yml
+
+# OS / editor
+.DS_Store
+Thumbs.db
+.vscode/*
+!.vscode/settings.json
+!.vscode/extensions.json
+.idea/
+
+# Vercel (if you deploy there)
+.vercel/

apps/api/package.json

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+{
+  "name": "api",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsx watch src/index.ts",
+    "start": "node dist/index.js"
+  },
+  "dependencies": {
+    "@repo/shared": "*",
+    "express": "^5.2.1"
+  },
+  "devDependencies": {
+    "tsx": "^4.19.0"
+  }
+}

apps/api/src/index.ts

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+import express from "express";
+import { greet } from "@repo/shared";
+
+const app = express();
+const port = Number(process.env.PORT) || 4000;
+
+app.get("/", (_req, res) => res.json({ message: greet("Turborepo") }));
+
+app.listen(port, () => console.log(`api listening on ${port}`));

package.json

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+{
+  "name": "nugget-of-wisdom",
+  "private": true,
+  "packageManager": "npm@10.9.0",
+  "workspaces": [
+    "apps/*",
+    "packages/*"
+  ],
+  "scripts": {
+    "build": "turbo run build",
+    "dev": "turbo run dev"
+  },
+  "devDependencies": {
+    "turbo": "^2.3.0",
+    "typescript": "^5.6.0"
+  }
+}

packages/shared/package.json

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+{
+  "name": "@repo/shared",
+  "version": "0.0.0",
+  "private": true,
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsc --watch"
+  }
+}

packages/shared/src/index.ts

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+export const greet = (name: string) => `Hello, ${name}!`;

packages/shared/tsconfig.json

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+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src",
+    "declaration": true
+  },
+  "include": [
+    "src"
+  ]
+}

tsconfig.base.json

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+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true
+  }
+}

turbo.json

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+{
+  "$schema": "https://turbo.build/schema.json",
+  "tasks": {
+    "build": {
+      "dependsOn": [
+        "^build"
+      ],
+      "outputs": [
+        "dist/**"
+      ]
+    },
+    "dev": {
+      "dependsOn": [
+        "^build"
+      ],
+      "cache": false,
+      "persistent": true
+    }
+  }
+}