What are environment variables and how do they enhance security?
Environment variables are key-value pairs used to configure applications. They enhance security by keeping sensitive data, like API keys, out of the codebase.
Can you give me an example of how to set an environment variable?
Sure! In a Unix-based system, you can set an environment variable using the command export VARIABLE_NAME=value
. For example, export API_KEY=12345
.
How do I access these variables in my application?
In most programming languages, you can access environment variables using specific libraries. For example, in Python, you can use os.environ['VARIABLE_NAME']
.
What are the risks of not using environment variables?
Not using environment variables can lead to hardcoding sensitive information in your code, making it vulnerable to exposure and attacks.
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