Webhook Security Is Distributed Systems Security
A webhook looks like the easiest thing in your system. A provider sends you a POST, you read the JSON, you do the thing. Three lines. It is one of the most dangerous. Not because the parsing is hard,
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Articles tagged with #distributed-systems
A webhook looks like the easiest thing in your system. A provider sends you a POST, you read the JSON, you do the thing. Three lines. It is one of the most dangerous. Not because the parsing is hard,
There's an impulse, when someone first learns about consistency models in distributed systems, to want to classify the taxonomy into neat drawers. Strong here. Eventual there. Linearizable above it. Read-your-writes below. Study the diagram, pass the...

After Four Pillars of Concurrency, the natural question: what does a system actually look like when it uses all of them deliberately? IronSys is a composite blueprint — the concurrency architecture I'd build today if I were starting over, with the tr
Tracing systems optimize for signal-to-noise. Billing systems optimize for accuracy and auditability. They look similar and they are not the same thing. A dual-path architecture for running both without cross-contamination.
The unit-vs-integration framing is a junior lens. Production Go backends need a different taxonomy: deterministic tests, contract tests, race tests, and fidelity tests. The ones that actually catch production bugs.
The most common microservices mistake isn't picking the wrong transport. It's misreading who is responsible for knowing the work finished. A field guide to completion ownership in RPC, message bus, and event-driven systems.