40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
import type { LoaderFunction } from "@remix-run/node";
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import db from "~/utils/db.server";
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import logger from "~/utils/logger.server";
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export const loader: LoaderFunction = async ({ request }) => {
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const host = request.headers.get("X-Forwarded-Host") ?? request.headers.get("host");
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try {
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const queues = [...__registeredQueues!.entries()];
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const url = new URL("/", `http://${host}`);
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// if our queues and cron jobs are healthy,
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// and can connect to the database and make a simple query,
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// and can make a HEAD request to ourselves, then we're good.
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await Promise.all([
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...queues.map(async ([queueName, { queue, worker, scheduler }]) => {
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if (await queue.isPaused()) {
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throw new Error(`Queue "${queueName}" is paused`);
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}
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if (!worker.isRunning()) {
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throw new Error(`Queue "${queueName}"'s worker is not running`);
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}
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if (!scheduler.isRunning()) {
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throw new Error(`Queue "${queueName}"'s scheduler is not running`);
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}
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}),
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db.user.count(),
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fetch(url.toString(), { method: "HEAD" }).then((r) => {
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if (!r.ok) return Promise.reject(r);
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}),
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]);
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return new Response("OK");
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} catch (error: unknown) {
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logger.error("healthcheck ❌", { error });
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return new Response("ERROR", { status: 500 });
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}
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};
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