How do I set environment variables in Docker?
An example of an AI chatbot conversation about setting environment variables in Docker.
How do I set environment variables in Docker?
You can set environment variables in Docker using the -e flag in the docker run command. For example: docker run -e MY_VAR=value my_image.
Can I use a .env file to set these variables?
Yes, you can use a .env file with Docker Compose. Just define your variables in the .env file and reference them in your docker-compose.yml.
What if I want to pass sensitive information?
For sensitive information, consider using Docker secrets or environment variable files that are not included in version control.
Is there a way to see the environment variables in a running container?
Yes, you can use the command docker exec <container_id> printenv to see the environment variables in a running container.
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