| # βββ Backend environment variables βββββββββββββββββββββββββββββββββββββββββββ | |
| # Copy this file to .env and fill in your values. | |
| # For Render / HuggingFace Spaces: set these as environment secrets in the | |
| # deployment dashboard β do NOT commit the actual .env to git. | |
| # ββ Groq API keys (free at console.groq.com) ββββββββββββββββββββββββββββββ | |
| # Two keys enable round-robin rotation to stay within rate limits. | |
| GROQ_API_KEY_1=gsk_your_first_key_here | |
| GROQ_API_KEY_2=gsk_your_second_key_here | |
| GROQ_API_KEY_3=gsk_your_third_key_here | |
| GROQ_MODEL=llama-3.3-70b-versatile | |
| # ββ Google Gemini key (optional β used only if backend needs Gemini) βββββββ | |
| GOOGLE_API_KEY=your_google_api_key_here | |
| # ββ CORS: comma-separated list of allowed frontend origins ββββββββββββββββ | |
| # Local dev: http://localhost:3000,http://localhost:5173 | |
| # Production: https://your-app.vercel.app | |
| ALLOWED_ORIGINS=http://localhost:3000,http://localhost:5173 | |
| # ββ Optional API key protection (leave blank to disable) βββββββββββββββββ | |
| API_SECRET_KEY= | |