我正在尝试将一个简单的 Rails 应用程序部署到 Heroku，但不断收到几个错误。我已经搜索过错误
偏僻的： ！无法检测到 rake 任务
到目前为止收效甚微。这是完整的构建日志：
Counting objects: 209, done.
Compressing objects: 100% (188/188), done.
Writing objects: 100% (209/209), 771.35 KiB | 10.71 MiB/s, done.
Total 209 (delta 58), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: ! Warning: Multiple default buildpacks reported the ability to handle this app. The first buildpack in the list below will be used.
remote: Detected buildpacks: Ruby,Node.js
remote: See https://devcenter.heroku.com/articles/buildpacks#buildpack-detect-order
remote: -----> Ruby app detected …