Add application code

.dockerignore

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+node_modules
+npm-debug.log
+.git
+.gitignore

.gitignore

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+node_modules
+.env

Dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install --production
+
+COPY . .
+
+EXPOSE 8080
+
+CMD ["node", "index.js"]

index.js

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+const express = require('express');
+const app = express();
+const PORT = process.env.PORT || 8080;
+
+app.use(express.json());
+
+app.get('/hello', (req, res) => {
+  res.json({ message: 'Hello from git-serverless!' });
+});
+
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok' });
+});
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});

package.json

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+{
+  "name": "git-serverless",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2"
+  }
+}