SESSION_SECRET="generate-a-secure-random-string-here" DATABASE_PATH="./data/app.db" # LLM Provider API Keys - Add your own keys here OPENAI_API_KEY="" ANTHROPIC_API_KEY="" GOOGLE_API_KEY="" DEEPSEEK_API_KEY="" # Email configuration (optional) RESEND_API_KEY="" EMAIL_FROM="CreateMVP " # Analytics (optional) VITE_APP_PUBLIC_POSTHOG_KEY="" VITE_APP_PUBLIC_POSTHOG_HOST="" # Application settings NODE_ENV="development" PORT="3000"