Software Architecture: Monolith, Microservices and the Distributed Monolith Trap
Many young Backend programmers tend to view software architecture models as a religion or a measure of skill. Microservices are often revered as the pinnacle of technology, Monolith is labeled as outdated, while Distributed Monolith - the worst state - is often mistaken for real microservices.
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Agent = Model + Harness: Do not put an F1 engine into a brakeless bus
At the end of last year, I created a bot that ran in the background to automatically read menus from partner restaurants sent in PDF/Excel format, then parsed them into a Go struct to load into the Menu Service database.
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When to use cache and when not to
There is a production bug that I still remember vividly: user A cancels an order, but the app still displays “delivering” for the next 10 minutes. Support receives 30 tickets in one morning. The reason: cache TTL is 10 minutes, but no one invalidates it when the order status changes.
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