# Reference

Technical reference documentation for Gordon.

## Contents

- [Docker Labels](./docker-labels.md) - Container and image labels used by Gordon
- [Telemetry & Metrics](../config/telemetry.md) - OpenTelemetry configuration, custom metrics, and trace spans
- [Troubleshooting](./troubleshooting.md) - Common issues and solutions

## Related

- [Configuration Reference](/docs/config/reference.md)
- [CLI Commands](/docs/cli/index.md)