[英]Possible to pass env variable from docker-compose.yml to dockerfile?
Is it possible to pass an env from an docker-compose.yml file to dockerfile. 是否可以将env从docker-compose.yml文件传递到dockerfile。
I have inside the dockerfile like this: 我在dockerfile中有这样的内容:
RUN $(npm bin)/ng build --prod --env=prod
But what I want is when the docker-compose.yml has a build_env that is: 但是我想要的是docker-compose.yml具有build_env时:
environment:
BUILD_ENV: 'test'
Then I want the docker 然后我要码头工人
RUN $(npm bin)/ng build --prod --env=test
How do I achieve something like this? 我如何实现这样的目标? Or are there any other better solutions to do this?
还是有其他更好的解决方案来做到这一点?
You can review this documentation: 您可以查看以下文档:
https://docs.docker.com/compose/compose-file/#args https://docs.docker.com/compose/compose-file/#args
build:
context: .
args:
- buildno=1
- password=secret
- buildenv=prod
- --
ARG buildno
ARG password
ARG buildenv
RUN echo "Build number: $buildno"
RUN script-requiring-password.sh "$password"
RUN $(npm bin)/ng build --prod --env="$buildenv"
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