A timeout after the write: retry without a duplicate effect
The response was lost, but the booking may exist. Explore idempotency keys, conflicting input and the limits of a small example.
Read article →Backend and GitOps.Learn through practice.
From language fundamentals to GitOps: learn through small tasks in your own IDE.
- Change code and run the test.
- Download an IDE project with starters and tests.
- Keep your notes and progress.
Java · TypeScript / Node.js · Python · PHP
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Selected articles
Backend, AI and GitOps — practical problems, examples and explanations.
An AI agent received an instruction. Is it allowed to act?
Separate a model proposal from tool permissions. A small testable example and the limits of data and environment protection.
Read article →GitOps: Synced does not mean the application works
Three separate observations: configuration, resource health and the user operation.
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