110 lines
3.3 KiB
TypeScript
110 lines
3.3 KiB
TypeScript
import path from "node:path";
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import express, { type NextFunction, type Request, type Response } from "express";
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import compression from "compression";
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import morgan from "morgan";
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import { createRequestHandler } from "@remix-run/express";
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import { createBullBoard } from "@bull-board/api";
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import { BullMQAdapter } from "@bull-board/api/bullMQAdapter";
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import { ExpressAdapter } from "@bull-board/express";
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import { GlobalRole } from "@prisma/client";
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import cronJobs from "~/cron-jobs";
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import queues from "~/queues";
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import logger from "~/utils/logger.server";
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import { __getSession } from "~/utils/session.server";
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import { type SessionUser } from "~/utils/auth.server";
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const app = express();
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app.use((req, res, next) => {
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res.set("X-Fly-Region", process.env.FLY_REGION ?? "unknown");
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res.set("Strict-Transport-Security", `max-age=31536000; preload`);
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next();
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});
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// replay non-GET/HEAD/OPTIONS requests to the primary Fly.io region rather than read-only Postgres instances
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// learn more: https://fly.io/docs/getting-started/multi-region-databases/#replay-the-request
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app.all("*", (req, res, next) => {
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const { method, path: pathname } = req;
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const { PRIMARY_REGION, FLY_REGION } = process.env;
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const isMethodReplayable = !["GET", "OPTIONS", "HEAD"].includes(method);
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const isReadOnlyRegion = FLY_REGION && PRIMARY_REGION && FLY_REGION !== PRIMARY_REGION;
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const shouldReplay = isMethodReplayable && isReadOnlyRegion;
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if (!shouldReplay) {
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return next();
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}
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const logInfo = {
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pathname,
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method,
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PRIMARY_REGION,
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FLY_REGION,
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};
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logger.info("Replaying:", logInfo);
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res.set("fly-replay", `region=${PRIMARY_REGION}`);
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return res.sendStatus(409);
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});
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app.disable("x-powered-by");
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app.use(compression());
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// cache static and immutable assets
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app.use(express.static("public", { immutable: true, maxAge: "1y" }));
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// setup background queues and cron jobs
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app.use("/admin", adminMiddleware);
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app.use("/admin/queues", setupBullBoard().getRouter());
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app.use(morgan("tiny"));
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app.all("*", (req, res, next) => {
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if (process.env.NODE_ENV !== "production") {
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purgeRequireCache();
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}
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return createRequestHandler({
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build: require("./build"),
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mode: process.env.NODE_ENV,
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})(req, res, next);
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});
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const port = process.env.PORT || 3000;
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app.listen(port, () => {
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require("./build"); // preload the build so we're ready for the first request
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logger.info(`Server listening on port ${port}`);
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});
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async function adminMiddleware(req: Request, res: Response, next: NextFunction) {
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const session = await __getSession(req.headers.cookie);
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const user: SessionUser | undefined = session.data.user;
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if (!user || user.role !== GlobalRole.SUPERADMIN) {
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return res.setHeader("Location", "/sign-in").status(302).end();
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}
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next();
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}
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function setupBullBoard() {
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const serverAdapter = new ExpressAdapter();
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const cronJobsQueues = registerCronJobs();
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createBullBoard({
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queues: [...queues, ...cronJobsQueues].map((queue) => new BullMQAdapter(queue)),
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serverAdapter,
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});
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serverAdapter.setBasePath("/admin/queues");
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return serverAdapter;
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}
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function registerCronJobs() {
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return cronJobs.map((registerCronJob) => registerCronJob());
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}
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const buildDir = path.join(process.cwd(), "build");
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function purgeRequireCache() {
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for (const key in require.cache) {
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if (key.startsWith(buildDir)) {
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delete require.cache[key];
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}
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}
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}
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