update readme, for step1-optional

huangmingming

2023-01-30 32c5b3cafb4917dbfcae4f6f7d8c4d12a4f6eef4

1
2
3
4
5
6
7
version: '3.0'
services:
  web:
    image: python:3-alpine
    command: python3 -m http.server 8080
    volumes:
      - .:/num2words