## CLI interface Usage: ```bash $ error-pages [GLOBAL FLAGS] [COMMAND] [COMMAND FLAGS] [ARGUMENTS...] ``` Global flags: | Name | Description | Default value | Environment variables | |--------------------|---------------------------------------------|:-------------:|:---------------------:| | `--log-level="…"` | logging level (debug/info/warn/error/fatal) | `info` | `LOG_LEVEL` | | `--log-format="…"` | logging format (console/json) | `console` | `LOG_FORMAT` |