DATABASE_URL="postgresql://taller:taller123@localhost:5432/taller_turnos" NEXTAUTH_SECRET="cambia-esto-por-un-secret-seguro" NEXTAUTH_URL="http://localhost:3000" GMAIL_USER="tu-email@gmail.com" GMAIL_APP_PASSWORD="xxxx xxxx xxxx xxxx" MAGIC_LINK_BASE_URL="http://localhost:3000"