Common library for the NTP Pool project with shared infrastructure components.

## Packages

- **apitls** - TLS setup for NTP Pool internal services with embedded CA
- **config** - NTP Pool project configuration with environment variables
- **ekko** - Enhanced Echo web framework with observability middleware
- **health** - Standalone health check HTTP server
- **kafka** - Kafka client wrapper with TLS support
- **logger** - Structured logging with OpenTelemetry integration
- **metricsserver** - Prometheus metrics HTTP server
- **timeutil** - JSON-serializable duration types
- **tracing** - OpenTelemetry distributed tracing setup
- **types** - Shared data structures for NTP Pool
- **ulid** - Thread-safe ULID generation
- **version** - Build metadata and version information
- **xff/fastlyxff** - Fastly CDN IP range management

[![Go Reference](https://pkg.go.dev/badge/go.ntppool.org/common.svg)](https://pkg.go.dev/go.ntppool.org/common)