Always use env variables
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What is Always use env variables?
API keys, passwords, and tokens should never appear directly in your code. Store them in a .env file using environment variables, and make sure that file is listed in .gitignore so it never gets pushed to GitHub accidentally.
Free resources to learn Always use env variables
More in stage 11: More topics
- Explicitly tell AI to "think" or "brainstorm"
- Tell AI what NOT to do
- Give AI mockups, reference files, and material
- Pick a popular tech stack rather than new/niche ones
- Explicitly ask AI to perform a security audit of the application
- Once tests are in place, refactor regularly
- Work step by step rather than trying to build all at once
- Leverage long context windows
- Ask AI to keep the code modular and aim for smaller modules/files
- Prompt the error message and let AI do the rest
- Consider Test-driven development (TDD)
- Ask for one task at a time
- Be specific about what you want
- Install and ask AI to use MCP
- Regularly ask the AI to review and refactor the codebase
- Implement Spec-Driven Development (SDD)
- Illustrate AI with Examples
- Plan what you need to develop
- If you have style/coding preferences, document them for AI
- Start each new feature with a clean Git slate
- Ask AI to write tests
- Regularly update your context document
- Use skills created by others
- Ask Al to create a list of possible causes
- Use "act as" framing when helpful
- If AI fails after 3 prompts, stop
- Use subagents
- For unrelated tasks, clean and start new sessions
- Use breaking tests
- Revert with Git
- Ask AI to handle your Git and GitHub CLI tasks
- Tell AI to add logs
- Use git commit
Always use env variables: common questions
Can I learn Always use env variables in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Always use env variables in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Always use env variables tutorial for beginners?
It is lesson 40 of 51 in the free Vibe Coding roadmap, in stage 11, More topics. If you are new to Vibe Coding, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.