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README.md

Heroku Buildpack: Go

This is a Heroku buildpack for Go.

Getting Started

Follow the guide at http://mmcgrana.github.com/2012/09/getting-started-with-go-on-heroku.html.

There's also a hello world sample app at https://github.com/kr/go-heroku-example.

Example

$ ls -A1
./.git
./.godir
./Procfile
./web.go

$ heroku create -b https://github.com/kr/heroku-buildpack-go.git
...

$ git push heroku master
...
-----> Fetching custom git buildpack... done
-----> Go app detected
-----> Installing Go 1.0.3... done
       Installing Virtualenv... done
       Installing Mercurial... done
       Installing Bazaar... done
-----> Running: go get -tags heroku ./...
-----> Discovering process types
       Procfile declares types -> web
-----> Compiled slug size: 1.0MB
-----> Launching... done, v5
       http://pure-sunrise-3607.herokuapp.com deployed to Heroku

The buildpack will detect your repository as Go if it contains a .go file.

The buildpack adds a heroku build constraint, to enable heroku-specific code. See the App Engine build constraints article for more.

Hacking on this Buildpack

To change this buildpack, fork it on GitHub. Push changes to your fork, then create a test app with --buildpack YOUR_GITHUB_GIT_URL and push to it. If you already have an existing app you may use heroku config:add BUILDPACK_URL=YOUR_GITHUB_GIT_URL instead of --buildpack.

.godir and Godeps

Early versions of this buildpack required users to create a .godir file in the root of the project, containing the application name in order to build the project. While using a .godir file is still supported, it has been deprecated in favor of using godep in your project to manage dependencies, and including the generated Godep directory in your git repository.

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