Heroku - 如何在heroku php应用程序上启用gd？

Question

Heroku说:

以下内置扩展已经构建为"共享",可以通过composer.json(括号中给出的内部标识符名称)启用:

但它没有给出一个例子,我尝试使用以下composer.json: { "require": { "gd": "*" } }

但是,当我git push heroku master,我得到:

我的composer.json: { "require": { "gd": "*" } }

但是,当我git push heroku master,我得到:

-----> Installing dependencies...
       Composer version 1.0.0-alpha9-19-g10401d5 2014-12-09 11:32:02
       Loading composer repositories with package information
       Installing dependencies
       Your requirements could not be resolved to an installable set of packages.

         Problem 1
           - The requested package gd could not be found in any version, there may be a typo     in the package name.

       Potential causes:
        - A typo in the package name
        - The package is not available in a stable-enough version according to your minimum-    stability setting
          see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> for more details.

       Read <http://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.

 !     Push rejected, failed to compile PHP app

如何在heroku上启用gd ???

Answer 1

尝试使用:

{
    "require": {
        "ext-gd": "*"
    }
}

请参阅此处使用可选扩展