https://yeasy.gitbook.io/docker_practice/
使用 dockerFile 创建镜像
FROM nginx
RUN echo '<h1>Hello, Docker!</h1>' > /usr/share/nginx/html/index.html
https://yeasy.gitbook.io/docker_practice/
FROM nginx
RUN echo '<h1>Hello, Docker!</h1>' > /usr/share/nginx/html/index.html