What are some examples of Docker environment variables?
An example of an AI chatbot conversation about Docker environment variables and their usage.
What are some examples of Docker environment variables?
Docker environment variables are key-value pairs that can be used to configure your containers. Examples include ENV, PATH, and DATABASE_URL.
How do I set environment variables in a Dockerfile?
You can set environment variables in a Dockerfile using the ENV instruction. For example: ENV MY_VAR=my_value.
Can I pass environment variables at runtime?
Yes, you can pass environment variables at runtime using the -e flag with the docker run command, like this: docker run -e MY_VAR=my_value my_image.
What is the difference between ENV and ARG?
ENV sets environment variables that persist in the container, while ARG defines variables that are only available during the build process.
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