# Background Under most circumstances, manually downloading this repository should never be required. # Prerequisites # Base * [Google Protocol Buffers](https://developers.google.com/protocol-buffers) ## Java * [Apache Maven](http://maven.apache.org) * [Prometheus Maven Repository](https://github.com/prometheus/io.prometheus-maven-repository) checked out into ../io.prometheus-maven-repository ## Go * [Go](http://golang.org) * [goprotobuf](https://code.google.com/p/goprotobuf) ## Ruby * [Ruby](https://www.ruby-lang.org) * [bundler](https://rubygems.org/gems/bundler) # Building $ make # Getting Started * The Go source code is periodically indexed: [Go Protocol Buffer Model](http://godoc.org/github.com/prometheus/client_model/go). * All of the core developers are accessible via the [Prometheus Developers Mailinglist](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers).