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Update variable interpolation for hcl

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Ian Fijolek
2026-01-13 21:43:57 -08:00
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README.md
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@@ -50,7 +50,9 @@ You can configure the timezone for the container by passing a `TZ` env variable.
## Configuring
In this repo, you can explore the `sample-config.hcl` file for an example, but the general structure is as follows. It should be noted that environment variable interpolation happens on load of the HCL file.
In this repo, you can explore the `sample-config.hcl` file for an example, but the general structure is as follows. If you are passing environment variables to your commands or alerts, you should be aware that `${VAR}` syntax is reserved for HCL variable interpolation. To avoid issues, you can use `$${VAR}` syntax to escape the `$` character, simply use `$VAR`.
```hcl
The global configurations are: