部署到heroku后如何清除rails缓存? [英] How can I clear rails cache after deploy to heroku?

问题描述

我将缓存应用到我的 heroku rails 应用程序中，它运行良好.但是每次我部署到 heroku 时，我也想自动清除缓存.

I applied cache to my heroku rails app and it works well. But everytime I deploy to heroku, I also want to clear cache automatically.

所以我用谷歌搜索并找到了这个.

so I googled and I found this.

task :after_deploy, :env, :branch do |t, args|
  puts "Deployment Complete"
  puts "Cleaning all cache...."
  FileUtils.cd Rails.root do
    sh %{heroku run console}
    sh %{Rails.cache.clear}
  end
end

但是当我抓取这个脚本时，它只显示 heroku 控制台命令行，但没有输入 Rails.cache.clear 命令.(我猜这是因为 heroku 控制台是交互式的)

but when I raked this script, it just show the heroku console command line but the Rails.cache.clear command does not typed. (I guess that is because heroku console is interactive)

和

system "heroku console Rails.cache.clear"

不适用于 cedar 应用程序.

doesn't work for cedar apps.

我该如何解决这个问题?

How can I solve this problem?

谢谢.

推荐答案

Rails 有一个内置的 rake 任务:

Rails has a built in rake task:

rake tmp:clear

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