Unverified60% confidenceSolutionExact time
Managing API keys with a .env file rather than hardcoding them is an engineering security best practice that prevents keys from being committed to a Git repository along with the code, causing leakage.
2
Sources
60%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Getting Started with LangChain: LLM Invocation, Agent Practice, and Environment Setup Guide
bilibiliAI大模型小将7/10/2026
Related Claims
Unverified使用.env文件而非硬编码密钥是工程实践中的基本安全规范，代码中通过dotenv加载.env文件读取环境变量82% similarUnverifiedThe practice of storing sensitive information such as API Keys in a .env file originates from the third principle—"Store config in the environment"—of the Twelve-Factor App methodology.76% similarUnverified.env files usually should not be committed to Git, because they may leak sensitive information and cause configuration conflicts.76% similarUnverified推荐通过.env文件配合.gitignore排除在本地存储密钥，部署时由云平台Secrets管理服务注入75% similar
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