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.
How do I pass environment variables when running a Docker container?
You can pass environment variables when running a container using the -e flag, like this: docker run -e MY_VAR=value my_image.
What if I want to use a .env file for my environment variables?
You can use a .env file with Docker Compose, which automatically reads the variables from the file and sets them in your containers.
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