How can you secure sensitive information like API keys in your Express application?
- Store API keys in plain text within your code
- Use environment variables to store API keys
- Embed API keys in the URL parameters
- Include API keys in the client-side JavaScript
To secure sensitive information like API keys in an Express application, it is essential to use environment variables. Storing API keys in plain text within your code is not secure, embedding them in URL parameters can expose them, and including them in client-side JavaScript makes them accessible to anyone inspecting the client code.
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