# backend/.env # ports FRONTEND_PORT=5000 BACKEND_PORT=8000 LIVE_UPDATE_PORT=35729 # user authentification SECRET_KEY=secret_key # open-ai OPENAI_API_KEY=key # PostgreSQL Configuration POSTGRES_USER=postgres POSTGRES_PASSWORD=postgres POSTGRES_DB=smart_documents POSTGRES_HOST=db POSTGRES_PORT=5432 # Database URL for Backend DATABASE_URL=postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}