Function envFloat

src/config.js:41–46

(key, fallback)

}

function envFloat(key, fallback) {
  const v = process.env[key];
  if (v === undefined || v === '') return fallback;
  const n = parseFloat(v);
  return isNaN(n) ? fallback : n;
}

function envStr(key, fallback) {
  const v = process.env[key];