Speed up Rails with Nginx’s Reverse Proxy Cache

What is a reverse proxy cache? A reverse proxy cache is a web server that sits between the public internet and your Rails app. In the basic scenario (i.e. without the “cache” part), this extra web server is completely transparent: user requests pass through the web server, to Rails, and then responses go back out to the user. But, when Rails marks a response as “public and cacheable”, this means t

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nginxとunicorn使ってる時のcacheの設定と確認方法についてイマイチ理解浅いのでメモ