Elastic APM: three bugs in one integration
Three silent defaults across Gin, GORM, pgx, and Elastic APM: why SQL spans disappeared and why the same context bug also broke request cancellation.
01 / Writing
Writing
Long-form notes on engineering decisions, architecture, databases, and the process of building products.
Transactions in Go via context: one boundary for multiple repositories
How to open a transaction at the use-case level, pass it to repositories without coupling business logic to an ORM, and handle nested calls correctly.
Sentinel errors in Go: preserving meaning across layers
Why a shared ErrNotFound conflates distinct failures, where sentinel errors belong, and how to translate GORM or database/sql errors at the repository boundary.
River in Go: background jobs in the same PostgreSQL transaction
How to enqueue a River job in the same transaction as a business record in PostgreSQL, then run it safely in a separate worker.
Projects in Onplate: AI configuration in code context
How Onplate projects connect source code, AI resources, profiles, launch modes, and actual tool usage.
Onplate: order and control for AI development tools
How Onplate manages skills, MCP servers, and subagents while tracking security, context cost, and actual usage.
Astro for a blog
A practical guide to the project structure, local development, the production image, and publishing a new article.
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