What is the difference between Docker environment variables and arguments?
An example of an AI chatbot conversation about Docker environment variables and arguments.
What is the difference between Docker environment variables and arguments?
Docker environment variables are used to pass configuration data to containers at runtime, while arguments are used to pass command-line options to the container's entry point.
Can you give me an example of how to use environment variables in a Dockerfile?
Sure! You can use the ENV instruction in a Dockerfile like this: ENV MY_VAR=value. This sets MY_VAR to value inside the container.
And how do I pass arguments when running a Docker container?
You can pass arguments using the command line when you run the container. For example: docker run myimage arg1 arg2.
Are there any best practices for using environment variables?
Yes, it's best to keep sensitive data out of your Dockerfile, use .env files for local development, and document your environment variables.
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