Akashdeep Thanda on Instagram: "Comment “MSG” and I’ll DM you the link to the full breakdown. The Problem: If your app handles payments, video uploads, or emails synchronously, you are one traffic spike away from a crash. When a user clicks “Buy,” they shouldn’t be waiting for the credit card to charge. The Solution: Use a Message Queue (Producer-Consumer Pattern). 1️⃣ Producer (App): Takes the order instantly. 2️⃣ Queue: Holds the message safely. 3️⃣ Consumer (Worker): Processes the heavy work