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Limit memory usage in templates

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binwiederhier
2026-08-03 18:34:29 +02:00
parent 0ecba37334
commit 7ed7fea081
9 changed files with 216 additions and 15 deletions
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docs/publish.md
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@@ -3227,7 +3227,10 @@ your templates there first ([example for Grafana alert](https://repeatit.io/#/sh
!!! info
A few Go template features are disabled for user-supplied templates: `{{define}}`, `{{template}}`,
`{{block}}`, and `{{call}}` are not allowed. Templates also run with a short execution time limit --
a template that loops too long is stopped and rejected with an HTTP 400 error.
a template that loops too long is stopped and rejected with an HTTP 400 error. Templates are
limited to 32 KB in size, `printf` widths and precisions must be below 1000 (`%999d` is
allowed, `%1000d` is not), including the `%*d` form that takes the width from an argument, and
`indent`/`nindent` are limited to 100 spaces.
### Template functions
ntfy supports a subset of the **[Sprig template functions](publish/template-functions.md)** (originally copied from [Sprig](https://github.com/Masterminds/sprig),