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