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docs: use vars inside templates (#396)

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Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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Simon Legner 2024-06-06 00:29:31 +02:00 • committed by GitHub
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src/docs/markdown/caddyfile/directives/vars.md
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@ -6,7 +6,7 @@ title: vars (Caddyfile directive)
Sets one or more variables to a particular value, to be used later in the request handling chain.
The primary way to access variables is with placeholders, which have the form `{vars.variable_name}`, or with the [`vars`](/docs/caddyfile/matchers#vars) and [`vars_regexp`](/docs/caddyfile/matchers#vars_regexp) request matchers.
The primary way to access variables is with placeholders, which have the form `{vars.variable_name}`, or with the [`vars`](/docs/caddyfile/matchers#vars) and [`vars_regexp`](/docs/caddyfile/matchers#vars_regexp) request matchers. You may use variables with the [`templates`](templates) directive using the `placeholder` function, for example: `{{placeholder "http.vars.variable_name"}}`
As a special case, it's possible to override the variable named `http.auth.user.id`, which is stored in the replacer, to update the `user_id` field in access logs.