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templates: Explicitly warn about misconfigurations

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Matthew Holt 2026-05-11 16:45:49 -06:00
parent 4ba16fe82c
commit 761347aa63
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1 changed files with 11 additions and 2 deletions
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13
modules/caddyhttp/templates/templates.go
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@ -36,13 +36,22 @@ func init() {
// Templates is a middleware which executes response bodies as Go templates.
// The syntax is documented in the Go standard library's
// [text/template package](https://golang.org/pkg/text/template/).
// Note that ANY response body that matches and qualifies may be evaluated,
// even if it comes from a proxied backend.
//
// ⚠️ Template functions/actions are still experimental, so they are subject to change.
// ⚠️ Template functions/actions can access the environment, files on disk,
// and make HTTP requests. This is extremely useful, but you need to make
// sure templates are only evaluated on content that you trust, control, or
// at least sanitize properly.
//
// Custom template functions can be registered by creating a plugin module under the `http.handlers.templates.functions.*` namespace that implements the `CustomFunctions` interface.
// ⚠️ Templates are still experimental, so they are subject to change.
//
// [All Sprig functions](https://masterminds.github.io/sprig/) are supported.
//
// Custom template functions can be registered by creating a plugin module
// under the `http.handlers.templates.functions.*` namespace that implements
// the `CustomFunctions` interface.
//
// In addition to the standard functions and the Sprig library, Caddy adds
// extra functions and data that are available to a template:
//