Docker DOC
docker是提供给开发或管理人员的容器化部署项目工具
在linux上运行docker
常用命令
docker 安装
#先更新yum
yum update;
#设置docker仓库
tee /etc/yum.repos.d/docker.repo <<-'EOF'
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg
EOF
#安装docker
yum install docker
#模糊查询docker镜像
docker images|grep 镜像名
启动或关闭docker
#启动
systemctl start docker
#或重启
systemctl restart docker
#关闭
systemctl stop docker
#设置为开机启动项
systemctl enable docker
下载镜像
docker search <image>
#或
docker pull 镜像名
查看docker镜像
docker image ls
#或
docker images
查看容器
#查看容器
docker ps
#或
docker container ls
#查看所有容器，包括停止的容器
docker ps -a
运行docker镜像
docker run --name 自定义容器名 -d -p 端口号:端口号 镜像名
#运行mysql
docker run --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7
进入docker容器内部
docker exec -it 320c57e3f20d /bin/bash
docker的使用
docker build -t 自定义镜像名 .
#命令末尾的点很重要，因为它表示在当前位置使用已声明的dockerfile
Dockerfile的使用
FROM java:8 #需要的环境名
COPY springboot_docker-0.0.1-SNAPSHOT.jar / #复制目录下的jar包
EXPOSE 8080
CMD java -jar springboot_docker-0.0.1-SNAPSHOT.jar #启动jar包
Docker 安装 mysql
1.查找
docker search mysql
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
docker.io docker.io/mysql MySQL is a widely used, open-source relati... 8028 [OK]
docker.io docker.io/mariadb MariaDB is a community-developed fork of M... 2704 [OK]
docker.io docker.io/mysql/mysql-server Optimized MySQL Server Docker images. Crea... 601 [OK]
docker.io docker.io/zabbix/zabbix-server-mysql Zabbix Server with MySQL database support 183 [OK]
docker.io docker.io/hypriot/rpi-mysql RPi-compatible Docker Image with Mysql 111
docker.io docker.io/zabbix/zabbix-web-nginx-mysql Zabbix frontend based on Nginx web-server ... 94 [OK]
docker.io docker.io/centurylink/mysql Image containing mysql. Optimized to be li... 60 [OK]
docker.io docker.io/centos/mysql-57-centos7 MySQL 5.7 SQL database server 51
docker.io docker.io/1and1internet/ubuntu-16-nginx-php-phpmyadmin-mysql-5 ubuntu-16-nginx-php-phpmyadmin-mysql-5 50 [OK]
docker.io docker.io/mysql/mysql-cluster Experimental MySQL Cluster Docker images. ... 43
docker.io docker.io/tutum/mysql Base docker image to run a MySQL database ... 31
docker.io docker.io/schickling/mysql-backup-s3 Backup MySQL to S3 (supports periodic back... 26 [OK]
docker.io docker.io/zabbix/zabbix-web-apache-mysql Zabbix frontend based on Apache web-server... 26 [OK]
docker.io docker.io/bitnami/mysql Bitnami MySQL Docker Image 25 [OK]
docker.io docker.io/linuxserver/mysql A Mysql container, brought to you by Linux... 20
docker.io docker.io/zabbix/zabbix-proxy-mysql Zabbix proxy with MySQL database support 20 [OK]
docker.io docker.io/centos/mysql-56-centos7 MySQL 5.6 SQL database server 13
docker.io docker.io/circleci/mysql MySQL is a widely used, open-source relati... 12
docker.io docker.io/mysql/mysql-router MySQL Router provides transparent routing ... 9
docker.io docker.io/dsteinkopf/backup-all-mysql backup all DBs in a mysql server 6 [OK]
docker.io docker.io/openshift/mysql-55-centos7 DEPRECATED: A Centos7 based MySQL v5.5 ima... 6
docker.io docker.io/jelastic/mysql An image of the MySQL database server main... 1
docker.io docker.io/ansibleplaybookbundle/mysql-apb An APB which deploys RHSCL MySQL 0 [OK]
docker.io docker.io/cloudposse/mysql Improved `mysql` service with support for ... 0 [OK]
docker.io docker.io/widdpim/mysql-client Dockerized MySQL Client (5.7) including Cu... 0 [OK]
2.拉取mysql:5.6.43
docker pull mysql:5.6.43
Trying to pull repository docker.io/library/mysql ...
5.6.43: Pulling from docker.io/library/mysql
27833a3ba0a5: Pull complete
864c283b3c4b: Pull complete
cea281b2278b: Pull complete
8f856c14f5af: Pull complete
9c4f38c23b6f: Pull complete
688342d0934f: Pull complete
1f90d0188066: Pull complete
6d31565f1a00: Pull complete
12062e921a90: Pull complete
066ae780ca9a: Pull complete
f6eece737bcc: Pull complete
Digest: sha256:de2913a0ec53d98ced6f6bd607f487b7ad8fe8d2a86e2128308ebf4be2f92667
Status: Downloaded newer image for docker.io/mysql:5.6.43
3.开启Docker
systemctl start docker
4.查看镜像
docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/mysql 5.6.43 bc788a6a2745 2 weeks ago 256 MB
5.运行mysql:5.6.43
docker run --name db001 -p 3306:3306 -e MYSQL_ROOT_PASSWORD=root -d mysql:5.6.43
#或者
docker run -d --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=root -v /var/lib/mysql:/var/lib/mysql -d mysql:5.7.25
445e43800b559e2869a3cc92f17cf87482ed5a700588f04ec6b4eb4d58981e58
6.查看
docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
445e43800b55 mysql:5.6.43 "docker-entrypoint..." 16 seconds ago Up 13 seconds 0.0.0.0:3306->3306/tcp db001