如何设置GAE环境特定的环境变量？

问题描述

我使用在Go中使用GAE应用程序。我需要能够设置 MARTINI_ENV 环境变量来告诉martini它应该使用生产设置进行初始化。根据Python文档。我在中没有看到任何提及，但我是猜测它应该是相同的。

I've got a GAE application in Go using martini. I need to be able to set the MARTINI_ENV environment variable to tell martini that it should initialize with production settings. According to the Python docs you can set environment variables in the app.yaml. I didn't see any mention of this in the Go docs, but I'm guessing it should work the same.

我需要能够将 MARTINI_ENV 环境变量设置为 production ，但是我只想在生产时（例如！appengine.IsDevAppServer（））这样做。有没有什么办法可以告诉 app.yaml 只能在非开发服务器上运行？

I need to be able to set the MARTINI_ENV environment variable to production, but I only want to do that when I'm actually in production (i.e. !appengine.IsDevAppServer()). Is there any way to tell app.yaml to only do this in running on the non-dev server?

推荐答案

Go中的GAE没有设置环境变量的概念，因为它们不会在您的GAE实例中共享。

GAE in Go has no concept for setting environment variables since these won't be shared across your GAE instances.

由于 martini.Env 是一个导出变量，尽管您可以使用自己的逻辑对其进行设置。有多种方法可以做到这一点：

Since martini.Env is an exported variable though you are able to set it using your own logic. There are multiple ways to do this:

1. 默认设置 martini.Env 生产当> MARTINI_ENV 不存在时 将您自己的 config.yaml 添加到您的repo，解析它并从那里设置 martini.Env 使用类似及其读取函数，它将读取您的dotfile文件，而不是将它加载到env中。

1. Default setting martini.Env to production when MARTINI_ENV is not present
2. Add your own config.yaml to your repo, parse it and set martini.Env from there
3. Use a library like godotenv with its Read function, which will read your dotfile instead of loading it into the env.

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