在节点(尤其是GOOGLE_APPLICATION_CREDENTIALS)中设置环境变量 [英] Setting up environment variables in node, specifically, GOOGLE_APPLICATION_CREDENTIALS

问题描述

我有一个节点应用程序，我正在尝试使用Google语言api.我想将环境变量GOOGLE_APPLICATION_CREDENTIALS设置为同一目录中的json文件(同级package.json和app.js).

I have a node application and I'm trying to use the google language api. I want to set the environment variable GOOGLE_APPLICATION_CREDENTIALS to the json file in the same directory (sibling to package.json and app.js).

我已经在我的app.js文件中尝试了process.env.GOOGLE_APPLICATION_CREDENTIALS = "./key.json";(使用express)，但是它不起作用.我还尝试将"GOOGLE_APPLICATION_CREDENTIALS":"./key.json"放入package.json中，但效果也不佳.当我在终端export GOOGLE_APPLICATION_CREDENTIALS="./key"中运行时，它确实起作用.

I had tried process.env.GOOGLE_APPLICATION_CREDENTIALS = "./key.json"; in my app.js file (using express), but it isn't working. I have also tried putting "GOOGLE_APPLICATION_CREDENTIALS":"./key.json" in my package.json and that didn't work as well. It DOES work when I run in the terminal export GOOGLE_APPLICATION_CREDENTIALS="./key".

这是错误消息:

ERROR: Error: Unexpected error while acquiring application default credentials: Could not load the default credentials. Browse to https://developers.google.com/accounts/docs/application-default-credentials for more information.

感谢任何提示，谢谢！

推荐答案

您设置的GOOGLE_APPLICATION_DEFAULT环境变量可以通过google客户端库访问-它将无法使用相对路径，您需要设置绝对路径.

The GOOGLE_APPLICATION_DEFAULT environment variable you are setting is accessed by the google client libraries - it wont work with a relative path, you'll need to set the absolute path.

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