Firebase Cloud Functions + Hosting JavaScript
A JavaScript snippet for Firebase Cloud Functions + Hosting that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
Firebase Cloud Functions + Hosting JavaScript
// functions/index.js - and in firebase.json:
// "hosting": { "rewrites": [{ "source": "/pixel.gif", "function": { "functionId": "pixel" } }] }
import { onRequest } from 'firebase-functions/https';
const GIF = Buffer.from('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==', 'base64');
export const pixel = onRequest((req, res) => {
res.set('Cache-Control', 'no-store').type('gif').send(GIF);
});
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Check it
curl -sI http://localhost:8080/pixel.gifOfficial site: Firebase Cloud Functions + Hosting