Skip the basic CRUD—this Backend Crash Course is all about building a production-ready Subscription Management System with real users, real money, and real business logic. You'll learn JWT authentication, database modeling, API architecture, security, automated workflows, and much more! ⭐ Upstash - https://bit.ly/upstash ⭐ Hostinger VPS - https://hostinger.com/mastery10 ⭐ Arcjet - https://launch.arcjet.com/4g2R2e4 ⭐ WebStorm - https://jb.gg/GetWebStormFree 📘 Complete Backend Handbook - https://resource.jsmastery.pro/backend-handbook 🌟 Become a top 1% Next.js 15 developer: https://jsmastery.pro/next15 ⌛ New JSM Platform Waitlist - https://www.jsmastery.pro/platform 💫 VPS Deployment Guide: Coming tomorrow! 📚 Materials/References: GitHub Repository (give it a star ⭐): https://github.com/adrianhajdin/subscription-tracker-api README (assets & code): https://github.com/adrianhajdin/subscription-tracker-api/blob/main/README.md SQL & Prisma Course: https://courses.jsmastery.pro/course/databases MongoDB and Mongoose Course: https://courses.jsmastery.pro/course/databases-mongo I think they are freely available, checked with a different account 👍 💻 Join our Discord Community: https://discord.com/invite/n6EdbFJ 🐦 Follow us on Twitter: https://twitter.com/jsmasterypro 🖼️ Follow us on Instagram: https://instagram.com/javascriptmastery 🔗 Follow us on LinkedIn: https://linkedin.com/company/javascriptmastery/ 💼 Business Inquiries: contact@jsmastery.pro Time Stamps 👇 00:00:00 — Intro 00:02:33 — Introduction to the backend 00:05:08 — HTTP, DNS, IPs & Networks 00:06:58 — APIs: The Backend’s Messenger 00:12:25 — Types of APIs 00:14:00 — Backend Languages 00:15:39 — Databases: The Backbone of Your Backend 00:22:31 — Backend Architectures 00:26:22 — Demo and Setup Tools 00:34:27 — Setup 00:39:17 — Create Express Server 00:41:54 — Config 00:45:46 — Routes 00:59:49 — MongoDB 01:06:34 — Models 01:20:18 — Error Handler 01:27:47 — Authentication 01:49:44 — Authorization 02:01:26 — Arcjet 02:13:03 — Subscriptions 02:20:54 — Reminder Workflow 02:42:57 — Send Emails 03:00:12 — VPS Hosting & Deployment