{
    "name": "Tetris clone in Elm",
    "repository": "https://github.com/chendrix/elm-tetris",
    "env": {
        "BUILDPACK_URL": "https://github.com/srid/heroku-buildpack-elm.git",
        "ELM_COMPILE": "make clean compile",
        "ELM_STATIC_DIR": "."
    }
}
{
    "name": "Tetris clone in Elm",
    "repository": "https://github.com/chendrix/elm-tetris",
    "env": {
        "BUILDPACK_URL": "https://github.com/srid/heroku-buildpack-elm.git",
        "ELM_COMPILE": "make",
        "ELM_STATIC_DIR": "."
    }
}
Use base make for heroku
Use base make for heroku
