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Update src/docs/markdown/caddyfile/concepts.md

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Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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Francis Lavoie 2022-06-06 14:26:31 -04:00 • committed by GitHub
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@ -328,7 +328,7 @@ A default value can be specified for when the environment variable is not found,
{$DOMAIN:localhost} {$DOMAIN:localhost}
``` ```
If you want to defer the substitution of an environment variable until runtime, you can use the [standard `{env.*}` placeholders](/docs/conventions#placeholders). Note that not all config parameters support these placeholders though, since module developers need to add a line of code to perform the replacement; placeholder replacement is not automatic and needs to be performed at runtime. If it doesn't seem to work, please file an issue to request support for it. If you want to defer the substitution of an environment variable until runtime, you can use the [standard `{env.*}` placeholders](/docs/conventions#placeholders). Note that not all config parameters support these placeholders though, since module developers need to add a line of code to perform the replacement. If it doesn't seem to work, please file an issue to request support for it.