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We all know what a $0/month app looks like. Simple, clean, and probably sitting on your computer right now.... but what happens when you take that app and over-engineer it until it costs $2000/month? 

In this video, I start with a basic to-do list app and progressively upgrade it with databases, Docker containers, real-time functionality, logging, and load balancing — transforming it into a full-blown enterprise beast. Whether you're a beginner or a seasoned dev, you’ll see just how quickly software architecture can escalate.

Tech Stack:
React
Flask (Python)
PostgreSQL
Docker & Docker Compose
Redis, RabbitMQ
Nginx, WebSockets
ELK Stack, Prometheus, Grafana

LINKS
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TIMESTAMPS
0:00 Intro
0:08 Why does this cost so much?
0:33 The App we are building
0:45 The $0 Build
1:56 The $30 Build
3:43 The $30 Build Breakdown
3:53 The $100 Build
5:32 Thank you Docker!
6:15 The $100 Breakdown
6:31 The $500 Build
7:58 The $500 Build Breakdown
8:23 The $2000 Build...
10:17 The Final App with all the containers running lol
10:38 Thank you Docker!

Coding with Lewis

An exploration of how to transform a simple todo application into a costly, fully-featured production environment using various tools and services. Highlights include setting up databases with PostgreSQL, creating authentication systems, implementing email notifications, and integrating real-time updates with WebSockets. Additional discussions cover monitoring with the ELK stack and Prometheus, logging, horizontal scaling, global load balancing with Kubernetes, AI-enhancements, and disaster recovery plans.

I Took a Basic Todo App and Made It Cost $2000/Month

<p>You can actually get this a lot cheaper Grafana Cloud offers all of the logging for free and Github/Cloudfare Pages + Cloudfare is free too (Kubernetes is dead cheap from most cloud providers). LLaMa/DeepSeek is also dead cheap. You can get a lot of backups for free. Finally, Pump can asily cut cost by at least 10%-15% with you doing virtually nothing, so it is not as expensive as it sounds.</p>
