How do I use environment variables in Docker?
An example of an AI chatbot conversation about using environment variables in Docker.
How do I use environment variables in Docker?
You can use environment variables in Docker by specifying them in your Dockerfile or using the -e flag when running a container.
Can you give me an example of setting an environment variable in a Dockerfile?
Sure! You can set an environment variable in a Dockerfile using the ENV instruction like this: ENV MY_VAR=value.
What if I want to pass environment variables at runtime?
You can pass environment variables at runtime using the -e flag like this: docker run -e MY_VAR=value my_image.
Are there any best practices for using environment variables in Docker?
Yes, it's best to keep sensitive information out of your Dockerfiles and use a .env file or Docker secrets for sensitive data.
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