is there a clean, elegant way to implement a Maintenance page in a Heroku app? So that if something breaks you can very easily turn a switch and the maintenance page goes up for all requests? Preferably a way that doesn't require a push?is there a clean, elegant way to implement a Ma
阅读背景：
在Heroku应用程序中实施维护页面的智能方法是什么？
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