What is a Docker env file and how do I use it?
A Docker env file is a file that contains environment variables for your Docker containers. You can use it to set configuration options.
How do I create a Docker env file?
You can create a Docker env file by simply creating a text file with a .env
extension and adding key-value pairs like KEY=VALUE
.
Can I use multiple env files?
Yes, you can use multiple env files by specifying them in your Docker Compose file or using the --env-file
option with the docker run
command.
What are some common use cases for env files?
Common use cases include storing database credentials, API keys, and other configuration settings that vary between environments.
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