workshop/aula-03/configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  MAX_REQUESTS: "10"

  app.js: |
    const http = require("http");

    const MAX_REQUESTS = Number(process.env.MAX_REQUESTS || 3);

    let requestCount = 0;

    console.log("MAX_REQUESTS =", MAX_REQUESTS);

    const server = http.createServer((req, res) => {
      if (req.url === "/health") {
        if (requestCount > MAX_REQUESTS) {
          console.log('❌ O health check falhou');
          return;
        }

        res.writeHead(200);
        res.end(`ok`);
        return;
      }

      requestCount++;
      console.log("request", requestCount);

      if (requestCount > MAX_REQUESTS) {
        console.log(`🔥 App travado após ${MAX_REQUESTS} requests`);
        return;
      }

      res.writeHead(200);
      res.end(`Req -> ${requestCount}/${MAX_REQUESTS}`);
    });

    server.listen(3000, () => {
      console.log("App rodando na porta 3000");
    });