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#Docker笔记
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# Docker笔记
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##Docker 镜像常用命令
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## Docker 镜像常用命令
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###搜索镜像
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### 搜索镜像
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docker search java
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docker search java
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###下载镜像
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###下载镜像
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docker pull java:8
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docker pull java:8
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docker pull macro/eureka-server:0.0.1
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docker pull macro/eureka-server:0.0.1
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###列出镜像
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### 列出镜像
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docker images
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docker images
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###删除镜像
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### 删除镜像
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docker rmi java
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docker rmi java
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docker rmi -f java
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docker rmi -f java
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docker rmi -f $(docker images)
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docker rmi -f $(docker images)
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##Docker 容器常用命令
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## Docker 容器常用命令
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###新建并启动容器
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### 新建并启动容器
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docker run -d -p 91:80 nginx
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docker run -d -p 91:80 nginx
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###列出容器
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### 列出容器
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docker ps
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docker ps
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###停止容器
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### 停止容器
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docker stop $ContainerId
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docker stop $ContainerId
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###强制停止容器
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### 强制停止容器
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docker kill $ContainerId
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docker kill $ContainerId
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###启动已停止的容器
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### 启动已停止的容器
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docker start $ContainerId
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docker start $ContainerId
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###进入容器
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### 进入容器
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docker inspect --format "{{.State.Pid}}" $ContainerId
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docker inspect --format "{{.State.Pid}}" $ContainerId
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nsenter --target "$pid" --mount --uts --ipc --net --pid
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nsenter --target "$pid" --mount --uts --ipc --net --pid
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###删除容器
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### 删除容器
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docker rm $ContainerId
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docker rm $ContainerId
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docker rm -f $(docker ps -a -q)
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docker rm -f $(docker ps -a -q)
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##Docker Registry
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## Docker Registry
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###Docker Registry 2.0搭建
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### Docker Registry 2.0搭建
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docker run -d -p 5000:5000 --restart=always --name registry2 registry:2
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docker run -d -p 5000:5000 --restart=always --name registry2 registry:2
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###推送到私有仓库
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### 推送到私有仓库
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docker push localhost:5000/macro/eureka-server:0.0.1
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docker push localhost:5000/macro/eureka-server:0.0.1
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###修改镜像标签
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### 修改镜像标签
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docker tag macro/eureka-server:0.0.1 localhost:5000/macro/eureka-server:0.0.1
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docker tag macro/eureka-server:0.0.1 localhost:5000/macro/eureka-server:0.0.1
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##使用maven构建Docker镜像
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## 使用maven构建Docker镜像
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###构建镜像
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### 构建镜像
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- command:mvn clean package docker:build
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- command:mvn clean package docker:build
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- tip:
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- tip:
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Linux服务器需要开启远程api:vi /usr/lib/systemd/system/docker.service
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Linux服务器需要开启远程api:vi /usr/lib/systemd/system/docker.service
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修改为:ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
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修改为:ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
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###推送镜像到私有仓库
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### 推送镜像到私有仓库
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- command:mvn clean package docker:build -DpushImage
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- command:mvn clean package docker:build -DpushImage
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- tip:
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- tip:
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pom.xml修改<imageName>192.168.1.71:5000/macro/${project.artifactId}:${project.version}</imageName>
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pom.xml修改<imageName>192.168.1.71:5000/macro/${project.artifactId}:${project.version}</imageName>
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- tip:
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- tip:
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docker要支持http:echo '{ "insecure-registries":["192.168.1.71:5000"] }' > /etc/docker/daemon.json
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docker要支持http:echo '{ "insecure-registries":["192.168.1.71:5000"] }' > /etc/docker/daemon.json
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###修改Docker镜像存放位置
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### 修改Docker镜像存放位置
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1. 查看Docker的存放位置:docker info | grep "Docker Root Dir"(默认为/var/lib/docker)
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1. 查看Docker的存放位置:docker info | grep "Docker Root Dir"(默认为/var/lib/docker)
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2. 关闭Docker服务:systemctl stop docker
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2. 关闭Docker服务:systemctl stop docker
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3. 移动目录到目标路径:mv /var/lib/docker /root/data/docker
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3. 移动目录到目标路径:mv /var/lib/docker /root/data/docker
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4. 建立软连接:ln -s /root/data/docker /var/lib/docker
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4. 建立软连接:ln -s /root/data/docker /var/lib/docker
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##Docker compose
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## Docker compose
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###安装
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### 安装
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1. 下载地址:https://github.com/docker/compose/releases
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1. 下载地址:https://github.com/docker/compose/releases
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2. 安装地址:/usr/local/bin/docker-compose
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2. 安装地址:/usr/local/bin/docker-compose
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3. 设置为可执行:sudo chmod +x /usr/local/bin/docker-compose
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3. 设置为可执行:sudo chmod +x /usr/local/bin/docker-compose
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4. 测试是否安装成功:docker-compose --version
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4. 测试是否安装成功:docker-compose --version
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###安装命令补全工具
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### 安装命令补全工具
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sudo curl -L https://raw.githubusercontent.com/docker/compose/1.22.0/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose
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sudo curl -L https://raw.githubusercontent.com/docker/compose/1.22.0/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose
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###常用命令
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### 常用命令
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- 构建、创建、启动相关容器:docker-compose up
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- 构建、创建、启动相关容器:docker-compose up
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- 列出所有容器:docker-compose ps
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- 列出所有容器:docker-compose ps
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- 删除指定服务的容器:docker-compose rm eureka
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- 删除指定服务的容器:docker-compose rm eureka
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- 停止相关容器:docker-compose stop eureka
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- 停止相关容器:docker-compose stop eureka
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- 启动相关容器:docker-compose start eureka
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- 启动相关容器:docker-compose start eureka
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###编排SpringCloud微服务
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### 编排SpringCloud微服务
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####所使用到的工程
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#### 所使用到的工程
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- eureka-server
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- eureka-server
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- hello-service
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- hello-service
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- feign-consumer
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- feign-consumer
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- api-gateway
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- api-gateway
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####编排模式
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#### 编排模式
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1. 编排SpringCloud微服务:见eureka-server/docker-res/docker-compose.yml
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1. 编排SpringCloud微服务:见eureka-server/docker-res/docker-compose.yml
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2. 简化SpringCloud微服务编排:见eureka-server/docker-res/docker-compose-simple.yml
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2. 简化SpringCloud微服务编排:见eureka-server/docker-res/docker-compose-simple.yml
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3. 编排高可用的注册中心:见eureka-server/docker-res/docker-compose-eureka.yml
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3. 编排高可用的注册中心:见eureka-server/docker-res/docker-compose-eureka.yml
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