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docs: add themed diagram to Pre-deploy hooks doc

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Pasha Sviderski
2026-04-10 15:10:07 +10:00
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website/docs/4-guides/1-deployments/5-pre-deploy-hooks.md
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@@ -23,6 +23,9 @@ If the command exits with code 0, the deployment continues with a normal [rollin
the command fails or times out, the deployment stops immediately with an error. `uc deploy` will display the latest logs
from the hook container to help you diagnose the issue.
![Deploy flow with a pre-deploy hook](img/pre-deploy-hook-light.svg#gh-light-mode-only)
![Deploy flow with a pre-deploy hook](img/pre-deploy-hook-dark.svg#gh-dark-mode-only)
The hook runs on one of the machines where the service will be deployed. Similar to service containers, hook containers
can reach other services over the network, connect to databases, and read or write shared volumes. Note that file system
changes do not persist after the hook finishes, except for changes written to shared volumes.