将当前dockerfile 放入html的文件下 , 然后运行命令
docker build -t nginx:v3 .
Dockerfile
FROM nginx
#复制源码
ENV DOCUMENT_ROOT /usr/share/nginx/html
COPY ./ $DOCUMENT_ROOT
docker build -t nginx:v3 .
FROM nginx
#复制源码
ENV DOCUMENT_ROOT /usr/share/nginx/html
COPY ./ $DOCUMENT_ROOT