fix: handle configs better and propagate errors

app/entry.server.tsx

@@ -0,0 +1,62 @@
+import { PassThrough } from 'node:stream'
+
+import type { AppLoadContext, EntryContext } from '@remix-run/node'
+import { createReadableStreamFromReadable } from '@remix-run/node'
+import { RemixServer } from '@remix-run/react'
+import { isbot } from 'isbot'
+import { renderToPipeableStream } from 'react-dom/server'
+
+import { loadContext } from './utils/config/headplane'
+
+await loadContext()
+
+export default function handleRequest(
+	request: Request,
+	responseStatusCode: number,
+	responseHeaders: Headers,
+	remixContext: EntryContext,
+	// eslint-disable-next-line @typescript-eslint/no-unused-vars
+	_loadContext: AppLoadContext,
+) {
+	const ua = request.headers.get('user-agent')
+	const isBot = ua ? isbot(ua) : false
+
+	return new Promise((resolve, reject) => {
+		let shellRendered = false
+		const { pipe, abort } = renderToPipeableStream(
+			<RemixServer
+				context={remixContext}
+				url={request.url}
+				abortDelay={5000}
+			/>,
+			{
+				[isBot ? 'onAllReady' : 'onShellReady']() {
+					shellRendered = true
+					const body = new PassThrough()
+					const stream = createReadableStreamFromReadable(body)
+					responseHeaders.set('Content-Type', 'text/html')
+
+					resolve(
+						new Response(stream, {
+							headers: responseHeaders,
+							status: responseStatusCode,
+						}),
+					)
+
+					pipe(body)
+				},
+				onShellError(error: unknown) {
+					reject(error as Error)
+				},
+				onError(error: unknown) {
+					responseStatusCode = 500
+					if (shellRendered) {
+						console.error(error)
+					}
+				},
+			},
+		)
+
+		setTimeout(abort, 5000)
+	})
+}