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+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)