How do I set default environment variables in Docker?
An example of an AI chatbot conversation about setting default environment variables in Docker.
How do I set default environment variables in Docker?
You can set default environment variables in Docker using the ENV instruction in your Dockerfile.
Can you give me an example of how to use the ENV instruction?
Sure! In your Dockerfile, you can write: ENV MY_VAR=my_value to set MY_VAR to my_value.
What if I want to override this variable when running the container?
You can override it by using the -e flag with docker run, like this: docker run -e MY_VAR=new_value your_image.
Are there any best practices for using environment variables in Docker?
Yes, it's best to keep sensitive information out of your Dockerfile and use a .env file or Docker secrets for production.
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