borders/app/routes/healthcheck.tsx

24 lines
798 B
TypeScript

// learn more: https://fly.io/docs/reference/configuration/#services-http_checks
import type { LoaderFunction } from "remix";
import { prisma } from "~/db.server";
export const loader: LoaderFunction = async ({ request }) => {
const host =
request.headers.get("X-Forwarded-Host") ?? request.headers.get("host");
try {
// if we can connect to the database and make a simple query
// and make a HEAD request to ourselves, then we're good.
await Promise.all([
prisma.user.count(),
fetch(`http://${host}`, { method: "HEAD" }).then((r) => {
if (!r.ok) return Promise.reject(r);
}),
]);
return new Response("OK");
} catch (error: unknown) {
console.log("healthcheck ❌", { error });
return new Response("ERROR", { status: 500 });
}
};