What are environment variables and how do they work?
An example of an AI chatbot conversation about environment variables.
What are environment variables and how do they work?
Environment variables are key-value pairs that store configuration settings for applications. They help manage settings across different environments.
Can you give me an example of how to set an environment variable in a terminal?
Sure! In a Unix-like terminal, you can set an environment variable using the command export VAR_NAME=value. For example, export DATABASE_URL='localhost:5432'.
How can I access these variables in a programming language like Python?
In Python, you can access environment variables using the os module. For example, import os and then db_url = os.getenv('DATABASE_URL').
Are there any security concerns with using environment variables?
Yes, storing sensitive information like API keys in environment variables is safer than hardcoding them, but you should still manage access carefully.
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