Monitoring and Observability

app.get("/health/db", async (_, res) => {
  try { await prisma.$queryRaw`SELECT 1`; res.json({ ok: true }); }
  catch { res.status(503).json({ ok: false }); }
});

const prom = await prisma.$metrics.prometheus();
app.get("/metrics", (_, res) => res.type("text/plain").send(prom));

import { PrismaInstrumentation } from "@prisma/instrumentation";
import { registerInstrumentations } from "@opentelemetry/instrumentation";
registerInstrumentations({ instrumentations: [new PrismaInstrumentation()] });