timmy-tower/artifacts/api-server/src/index.ts

import app from "./app";
import { rootLogger } from "./lib/logger.js";

const rawPort = process.env["PORT"];

if (!rawPort) {
  throw new Error(
    "PORT environment variable is required but was not provided.",
  );
}

const port = Number(rawPort);

if (Number.isNaN(port) || port <= 0) {
  throw new Error(`Invalid PORT value: "${rawPort}"`);
}

app.listen(port, () => {
  rootLogger.info("server started", { port });
  const domain = process.env["REPLIT_DEV_DOMAIN"];
  if (domain) {
    rootLogger.info("public url", { url: `https://${domain}/api/ui` });
  }
});