Journal

Field notes

Hero for Designing error envelopes teams can rely on

2025-02-12

Designing error envelopes teams can rely on

Why a boring JSON error shape saves weeks of integration pain — patterns we rehearse in the Express APIs track.

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Hero for Postgres plans without the panic

2024-11-03

Postgres plans without the panic

Reading EXPLAIN output like a checklist — takeaways from the Prisma & PostgreSQL cohort in Ipoh.

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Hero for Containers: smaller images, calmer deploys

2025-01-20

Containers: smaller images, calmer deploys

Multi-stage builds and health checks that mean something — notes from the deployment baselines workshop.

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Hero for Idempotency keys in plain language

2024-09-15

Idempotency keys in plain language

When retries are inevitable, how do you avoid duplicate side effects without a PhD?

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Hero for Tracing two services without losing the plot

2025-03-02

Tracing two services without losing the plot

Connecting spans across HTTP calls — classroom notes from the observability cohort.

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