[系统运维]docker

 docker save docker.io/nginx:1.19.3-alpine        -o nginx-1.19.3-alpine.tar
 docker save docker.io/mysql:5.7.31               -o mysql-5.7.31.tar
 docker save docker.io/tomcat:9.0.20-jre8-alpine   -o tomcat-9.0.20-jre8-alpine.tar
 docker save docker.io/tomcat:9.0.20-jre8-slim     -o tomcat-9.0.20-jre8-slim.tar
 docker save docker.io/tomcat:9.0.20-jre8          -o tomcat-9.0.20-jre8.tar




docker pull nginx:1.19.3-alpine      
docker pull mysql:5.7.31             
docker pull tomcat:9.0.20-jre8-alpine
docker pull tomcat:9.0.20-jre8-slim  
docker pull tomcat:9.0.20-jre8       


# 停止并删除所有的容器
docker rm $(docker stop $(docker ps -aq))
docker run -itd --name mysql --restart always -p 3306:3306 -e MYSQL_ROOT_PASSWORD=admin mysql

docker logs -f mysql