1# Background 2Under most circumstances, manually downloading this repository should never 3be required. 4 5# Prerequisites 6# Base 7* [Google Protocol Buffers](https://developers.google.com/protocol-buffers) 8 9## Java 10* [Apache Maven](http://maven.apache.org) 11* [Prometheus Maven Repository](https://github.com/prometheus/io.prometheus-maven-repository) checked out into ../io.prometheus-maven-repository 12 13## Go 14* [Go](http://golang.org) 15* [goprotobuf](https://code.google.com/p/goprotobuf) 16 17## Ruby 18* [Ruby](https://www.ruby-lang.org) 19* [bundler](https://rubygems.org/gems/bundler) 20 21# Building 22 $ make 23 24# Getting Started 25 * The Go source code is periodically indexed: [Go Protocol Buffer Model](http://godoc.org/github.com/prometheus/client_model/go). 26 * All of the core developers are accessible via the [Prometheus Developers Mailinglist](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers). 27