Idempotency Keys: Making Your API Safe for Retries
Every web developer has been there: a user clicks “Submit Payment” and nothing happens. The spinner keeps spinning. They click
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Category: Software Engineering
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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Faster Docker Builds with BuildKit: Cache Mounts, Remote Caching, and Bake
Docker image builds are one of those things that quietly accumulate technical debt. You start with a simple Dockerfile, and
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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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Test Doubles Demystified: Stubs, Spies, Mocks, and Fakes in Go
Automated tests that hit real databases, live APIs, and production file systems are slow, flaky, and expensive to maintain. The
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5 Trending GitHub Repos: A 744B Model in Pure C, Postgres in Rust, and Python Compiled to Metal
Every week, the open-source community ships projects that make you stop and think — sometimes because they’re audacious, sometimes because
Change Data Capture with PostgreSQL and Debezium: Building Reliable Event Pipelines
Every application that updates a database and then does something else — pushes to a search index, invalidates a cache,
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OpenTelemetry in Go: From Zero to Distributed Tracing
Microservices promised us smaller, more maintainable codebases. They delivered — along with a debugging nightmare. When a request flows through
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CQRS in Practice: Splitting Reads and Writes for Scalable Systems
Most applications start with a simple mental model: one database, one set of tables, and CRUD operations that read and
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