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Docker

lavaicer  收录于  类别 Cloud
     约 1340 字   预计阅读 3 分钟 

除了包管理工具安装之外

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curl -s https://get.docker.com/ | sh

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curl -s https://bootstrap.pypa.io/get-pip.py | python3

pip install docker-compose

或者

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# 下载docker-compose
curl -L https://github.com/docker/compose/releases/download/1.25.0-rc2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

# 给docker-compose执行权限
chmod +x /usr/local/bin/docker-compose

Docker 阿里云镜像加速

登录容器镜像服务控制台，在左侧导航栏选择镜像工具 > 镜像加速器，在镜像加速器页面获取镜像加速地址。

例如： 加速器地址：[系统分配前缀].mirror.aliyuncs.com
配置镜像加速器 在不同的操作系统下，配置加速器的方式略有不同，下文将介绍主要操作系统的配置方法。

当您的 Docker 版本较新时 当您下载安装的 Docker Version 不低于 1.10 时，建议通过 daemon config 进行配置。使用配置文件 /etc/docker/daemon.json（没有时新建该文件）。

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{
    "registry-mirrors": ["<镜像加速器地址>"]
}

然后重启 Docker Daemon。

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sudo systemctl daemon-reload
sudo systemctl restart docker

删除所有容器

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docker rm $(docker ps -aq)

删除所有镜像

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docker rmi $(docker images -q)

dockerfile 部署镜像

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docker build -t 自定义镜像名称 .

构建新的镜像

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docker commit -a "提交的镜像作者" -m "提交时的说明文字" 容器的ID 要创建的新的镜像

保存离线镜像

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docker save -o 镜像文件名.tar 要保持的镜像
docker save -o wordpress_phpmyadmin.tar wordpress_phpmyadmin:latest

导入离线镜像

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docker load --input 镜像文件名.tar
docker load --input wordpress_phpmyadmin.tar

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FROM golang:1.11-alpine AS build
# 环境变量
ENV PG_VERSION 9.3.4
# LABEL 标签
LABEL com.example.version="0.0.1-beta"
# Install tools required for project
# Run `docker build --no-cache .` to update dependencies
RUN apk add --no-cache git \
    && go get github.com/golang/dep/cmd/dep

# List project dependencies with Gopkg.toml and Gopkg.lock
# These layers are only re-built when Gopkg files are updated
COPY Gopkg.lock Gopkg.toml /go/src/project/
WORKDIR /go/src/project/
# Install library dependencies
RUN dep ensure -vendor-only

# Copy the entire project and build it
# This layer is rebuilt when a file changes in the project directory
COPY . /go/src/project/
RUN go build -o /bin/project
# 当有 volume 时 docker run -it -p 80:80 -p 443:443 -v /opt/docker/mounts/nginx/log:/var/log/nginx
VOLUME /var/log/nginx
VOLUME /opt/nginx/www
# This results in a single layer image
FROM scratch
COPY --from=build /bin/project /bin/project
# 暴露端口
EXPOSE 27017
# 入口点
ENTRYPOINT ["/bin/project"]
CMD ["--help"]

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version: "3.9"
services:

  redis:
    image: redis:alpine
    ports:
      - "6379"
    networks:
      - frontend
    deploy:
      replicas: 2
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure

  db:
    image: postgres:9.4
    volumes:
      - db-data:/var/lib/postgresql/data
    networks:
      - backend
    deploy:
      placement:
        max_replicas_per_node: 1
        constraints:
          - "node.role==manager"

  vote:
    image: dockersamples/examplevotingapp_vote:before
    ports:
      - "5000:80"
    networks:
      - frontend
    depends_on:
      - redis
    deploy:
      replicas: 2
      update_config:
        parallelism: 2
      restart_policy:
        condition: on-failure

  result:
    image: dockersamples/examplevotingapp_result:before
    ports:
      - "5001:80"
    networks:
      - backend
    depends_on:
      - db
    deploy:
      replicas: 1
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure

  worker:
    image: dockersamples/examplevotingapp_worker
    networks:
      - frontend
      - backend
    deploy:
      mode: replicated
      replicas: 1
      labels: [APP=VOTING]
      restart_policy:
        condition: on-failure
        delay: 10s
        max_attempts: 3
        window: 120s
      placement:
        constraints:
          - "node.role==manager"

  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8080:8080"
    stop_grace_period: 1m30s
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints:
          - "node.role==manager"

networks:
  frontend:
  backend:

volumes:
  db-data:

示例 WordPress

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version: "3.9"

services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: somewordpress
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress

  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    volumes:
      - wordpress_data:/var/www/html
    ports:
      - "8000:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
      WORDPRESS_DB_NAME: wordpress
volumes:
  db_data: {}
  wordpress_data: {}

Etcd 集群

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version: "3.6"
services:

  node1:
    image: quay.io/coreos/etcd:v3.4.0
    volumes:
      - node1-data:/etcd-data
    expose:
      - 2379
      - 2380
    networks:
      cluster_net:
        ipv4_address: 172.16.238.100
    environment:
      - ETCDCTL_API=3
    command:
      - /usr/local/bin/etcd
      - --data-dir=/etcd-data
      - --name
      - node1
      - --initial-advertise-peer-urls
      - http://172.16.238.100:2380
      - --listen-peer-urls
      - http://0.0.0.0:2380
      - --advertise-client-urls
      - http://172.16.238.100:2379
      - --listen-client-urls
      - http://0.0.0.0:2379
      - --initial-cluster
      - node1=http://172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380
      - --initial-cluster-state
      - new
      - --initial-cluster-token
      - docker-etcd

  node2:
    image: quay.io/coreos/etcd:v3.4.0
    volumes:
      - node2-data:/etcd-data
    networks:
      cluster_net:
        ipv4_address: 172.16.238.101
    environment:
      - ETCDCTL_API=3
    expose:
      - 2379
      - 2380
    command:
      - /usr/local/bin/etcd
      - --data-dir=/etcd-data
      - --name
      - node2
      - --initial-advertise-peer-urls
      - http://172.16.238.101:2380
      - --listen-peer-urls
      - http://0.0.0.0:2380
      - --advertise-client-urls
      - http://172.16.238.101:2379
      - --listen-client-urls
      - http://0.0.0.0:2379
      - --initial-cluster
      - node1=http://172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380
      - --initial-cluster-state
      - new
      - --initial-cluster-token
      - docker-etcd

  node3:
    image: quay.io/coreos/etcd:v3.4.0
    volumes:
      - node3-data:/etcd-data
    networks:
      cluster_net:
        ipv4_address: 172.16.238.102
    environment:
      - ETCDCTL_API=3
    expose:
      - 2379
      - 2380
    command:
      - /usr/local/bin/etcd
      - --data-dir=/etcd-data
      - --name
      - node3
      - --initial-advertise-peer-urls
      - http://172.16.238.102:2380
      - --listen-peer-urls
      - http://0.0.0.0:2380
      - --advertise-client-urls
      - http://172.16.238.102:2379
      - --listen-client-urls
      - http://0.0.0.0:2379
      - --initial-cluster
      - node1=http://172.16.238.100:2380,node2=http://172.16.238.101:2380,node3=http://172.16.238.102:2380
      - --initial-cluster-state
      - new
      - --initial-cluster-token
      - docker-etcd

volumes:
  node1-data:
  node2-data:
  node3-data:

networks:
  cluster_net:
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet: 172.16.238.0/24

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docker build . -t imageName:latest
docker tag firstimage YOUR_DOCKERHUB_NAME/firstimage
docker push YOUR_DOCKERHUB_NAME/firstimage

扩展阅读：

Docker 入门到实践

微软教程

相关内容

Go Docker

更新于 2023-02-15
 Docker
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