FROM nginx
COPY ./www /usr/share/nginx/html/
WORKDIR /usr/share/nginx/html/RUN chown -R daemon:daemon * && chmod -R 755 *
EXPOSE 80

FROM httpd
COPY ./www/ /usr/local/apache2/htdocs/
WORKDIR /usr/local/apache2/htdocs/RUN chown -R daemon:daemon * && chmod -R 755 *
EXPOSE 80 

FROM tomcat
COPY ./www/ /usr/local/tomcat/webapps/ROOT/webapp
WORKDIR /usr/local/tomcat/webapps/ROOT/webapp #切换到项目目录
RUN chown -R daemon:daemon * && chmod -R 755 * #设置权限

 docker build -t imageName .(注意后面的点，imageName最好是“hub账号名/项目名”方便推送到公共库)

docker push ejiyuan/webapp

docker pull ejiyuan/webapp

docker run -d -p 8081:80 ejiyuan/webapp 

curl http://192.168.99.100:8081

docker exec -it containerId /bin/bash 

apt update
apt install vim

sed -i '10c index default.html;' /etc/nginx/conf.d/default.conf

nginx -t #检查配置文件是否有误 
sevice nginx reload # 新加载配置文件