I needed to coordinate background scripts running across different machines. The obvious answer was Redis. Everyone uses Redis for this. The tutorials all use Redis. The Stack Overflow answers all say "just use Redis." So I looked at what deploying Redis would actually cost me: A running Redis server I had to maintain A broker to connect workers to it Celery or RQ on top of that Memory-based stora
In web development, there is one golden rule: Never trust user input. Whether it is a login form, a search bar, or an environment variable, unvalidated data is a leading cause of bugs and security vulnerabilities. For a long time, developers relied on manual if/else checks or complex Regex to validate data. But then came Zod. Imagine you have an endpoint that receives a user profile. Without a sch