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Document the usage of conventional environment variables in addition to exact matches of configuration names.

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Signed-off-by: Iain Henderson <Iain.henderson@mac.com>
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Iain Henderson
2025-02-22 14:29:38 -05:00
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docs/docker/configuration.md
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@@ -85,3 +85,9 @@ Adding packages here is the same as running `apk add <package>` inside the conta
#### `PH_VERBOSE` (Default: `0`) #### `PH_VERBOSE` (Default: `0`)
Setting this environment variable to `1` will set `-x`, making the scripts that run on container startup more verbose. Useful for debugging only. Setting this environment variable to `1` will set `-x`, making the scripts that run on container startup more verbose. Useful for debugging only.
### Variable Formatting
Environment variables may be set in the format given here, or they may be entirely uppercase in the conventional manner.
For example, both `FTLCONF_dns_upstreams` and `FTLCONF_DNS_UPSTREAMS` are functionally equivalent when used as environment variables.