rails 应用的 dokku 部署问题

Issues with dokku deployment issue with rails app

当我尝试部署 ruby-rails-sample 时一切顺利,但是当我尝试部署我的应用时

-----> Building app from herokuish...
remote: /var/lib/dokku/plugins/enabled/00_dokku-standard/commands: line 20: docker: command not found
remote: /var/lib/dokku/plugins/enabled/00_dokku-standard/commands: line 20: tar: command not found

有没有我应该检查的环境变量? (我从 heroku 复制了我的变量)

似乎我有一个 PATH env var 弄得一团糟,注意你们所有人都试图从 heroku 移动到 dokku,不要复制粘贴所有 env vars..