APP_NAME=mail_summary FRONTEND_PORT=4888 POSTGRES_PORT=5437 POSTGRES_USER=mail_summary POSTGRES_PASSWORD=strongpassword POSTGRES_DB=mail_summary # Host folder mounted into backend as /app/uploads. # Windows: ./backend/uploads # Linux (Synology): /volume1/09_container_manager/13_mail_summary/backend/uploads UPLOAD_HOST=./backend/uploads