NODE_ENV=development PORT=3000 DB_HOST=localhost DB_PORT=3306 DB_USER=root DB_PASSWORD=password DB_NAME=github_profile_analyzer DB_CONNECTION_LIMIT=10 GITHUB_TOKEN=xxxxx GITHUB_API_BASE_URL=https://api.github.com GITHUB_API_TIMEOUT_MS=10000 RATE_LIMIT_WINDOW_MS=900000 RATE_LIMIT_MAX_REQUESTS=100