Engineering blog
We only write about what we did with our own hands.
Write-ups from our own projects: configs, numbers, mistakes and how we fixed them. No rehashing of other people's articles — if we write about it, it is running in our production.
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Zero-downtime deploys on a single server: what it actually takes
Zero downtime does not start with Kubernetes. It starts with migrations that are compatible with the old code, and a health check that tells the truth. Here is the order of operations on an ordinary VPS running docker compose.
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