An API key embedded in code easily leaks through repositories, logs, or terminal history.
Key Points
- Store keys in environment variables or a config file that is not committed to the repository.
- Add secret files to the ignore list before the first commit.
- Give keys the minimum access needed and rotate them regularly.
- Never print keys to logs, and mask their value in error messages.
If a key ever leaks, revoke and replace it straight away without waiting.
Note: this article is dummy demo content and is not professional advice.
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