v1: hello world node app

.gitignore

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+node_modules/
+npm-debug.log*

Dockerfile

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+FROM node:22-alpine
+
+WORKDIR /app
+
+COPY package.json ./
+COPY index.js ./
+
+ENV NODE_ENV=production
+ENV PORT=3000
+EXPOSE 3000
+
+CMD ["node", "index.js"]

index.js

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+const http = require('http');
+const os = require('os');
+
+const PORT = Number(process.env.PORT || 3000);
+const VERSION = process.env.APP_VERSION || 'v1';
+const startedAt = new Date().toISOString();
+
+const server = http.createServer((req, res) => {
+  if (req.url === '/healthz') {
+    res.writeHead(200, { 'Content-Type': 'text/plain' });
+    res.end('ok');
+    return;
+  }
+
+  res.writeHead(200, { 'Content-Type': 'application/json; charset=utf-8' });
+  res.end(JSON.stringify({
+    message: 'Hello World from Gitea + Coolify!',
+    version: VERSION,
+    hostname: os.hostname(),
+    startedAt,
+    now: new Date().toISOString(),
+    path: req.url
+  }, null, 2));
+});
+
+server.listen(PORT, '0.0.0.0', () => {
+  console.log(`hello-coolify ${VERSION} listening on 0.0.0.0:${PORT}`);
+});
+
+process.on('SIGTERM', () => server.close(() => process.exit(0)));

package.json

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+{
+  "name": "hello-coolify",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Node.js hello world for Gitea + Coolify demo",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "engines": {
+    "node": ">=20"
+  }
+}