从 Elastic Beanstalk .ebextensions 配置文件中引用环境变量 [英] Referencing env variables from Elastic Beanstalk .ebextensions config files

问题描述

是否可以从 .ebextensions 配置文件中引用 PARAM1/PARAM2 等容器环境属性.如果是这样，如何?我试过 $PARAM1 但它似乎是一个空值.

Is it posssible to reference the PARAM1 / PARAM2 etc.. container environment properties from the .ebextensions config files. If so, how? I tried $PARAM1 but it seemed to be an empty value.

我想在启动时将主机名设置为包含 DEV、QA 或 PROD，我通过 PARAM1 环境变量将其传递给我的容器.

I want to set the hostname on startup to contain DEV, QA or PROD, which I pass to my container via the PARAM1 environment variable.

commands:
  01-set-correct-hostname:
    command: hostname myappname{$PARAM1}.com

推荐答案

事实证明您只能在 container_commands 部分执行此操作，而不能在 commands 部分执行此操作.

It turns out you can only do this in the container_commands section, not the commands section.

这有效:

container_commands:
  01-set-correct-hostname:
    command: "hostname myappname{$PARAM1}.com"

参见 http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-container_commands 了解更多详情.

See http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-container_commands for more details.

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