Cursor-Based Pagination Done Right: Keyset Queries, Opaque Cursors, and the Pitfalls That Bite
Every API that returns a list eventually has to answer the same question: how do you hand out a million
Tag: system-design
API Versioning Strategies: Path vs Header, Calendar Dates, and Graceful Sunsets
Every API you ship is a promise. Clients hardcode your URLs, parse your field names, and schedule work around your
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Zero-Downtime Database Migrations: Expand-Contract, Backfills, and Locks
Every schema migration tool will happily tell you how to change a table. Almost none of them will tell you
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Native Sidecar Containers in Kubernetes: Ordering, Jobs, and the End of Shutdown Races
The sidecar pattern has been part of the Kubernetes toolkit for as long as pods have existed: run a second
Circuit Breakers in Go: Stopping Cascading Failures Before They Start
Every distributed system has a breaking point. The downstream service you depend on will fail — not “might” fail, will
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CQRS and Event Sourcing in Go: Building Systems That Remember Every Decision
Most CRUD applications follow a predictable pattern: a single database table serves both reads and writes, the same model validates
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Pagination at Scale: Choosing Between Offset, Keyset, and Cursor Strategies
Pagination is one of those API design decisions that seems trivial until your dataset grows. Return everything at once and
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The Strangler Fig Pattern: Incrementally Migrating Legacy Systems Without the Big Rewrite
Every engineering team eventually faces the same daunting question: what do we do with the legacy monolith? The temptation is
Event Sourcing in Practice: Building a System That Never Forgets
Most systems today use CRUD: read the current state, modify a row, write it back. The database remembers where things
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The Saga Pattern: Coordinating Distributed Transactions in Microservices
Distributed transactions are one of those problems that look simple until you split your monolith into services. In a single
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