1  # Common
 2  [![Build Status](https://travis-ci.org/prometheus/common.svg)](https://travis-ci.org/prometheus/common)
 3  
 4  This repository contains Go libraries that are shared across Prometheus
 5  components and libraries.
 6  
 7  * **config**: Common configuration structures
 8  * **expfmt**: Decoding and encoding for the exposition format
 9  * **log**: A logging wrapper around [logrus](https://github.com/sirupsen/logrus)
10  * **model**: Shared data structures
11  * **route**: A routing wrapper around [httprouter](https://github.com/julienschmidt/httprouter) using `context.Context`
12  * **version**: Version information and metrics