Best practices for storing API tokens in CLI tools? #12488
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I am learning how to build CLI tools in Python and Node.js that interact What are the recommended best practices for securely storing and Any guidance or references would be appreciated. |
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For CLI tools, the safest approach is to avoid hardcoding tokens or storing them in plain text files. Common best practices include:
Many CLI tools use libraries that abstract this, such as keyring (Python) or node-keytar (Node.js).
This approach keeps credentials secure while still being practical across Windows, Linux, and macOS. |
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Thanks, this explanation is very clear. |
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For CLI tools, the safest approach is to avoid hardcoding tokens or storing them in plain text files.
Common best practices include:
Environment variables
Using environment variables is usually the first layer. Tools like dotenv are fine for development, but the .env file should never be committed to the repository.
OS-level secure storage
For production-ready CLI tools, it’s better to rely on the operating system’s credential manager:
Many CLI tools use libraries that abstract this, such as keyring (Python) or node-keytar (Node.js).
Configuration files with restricted permissions
If tokens must be store…