Table of Contents

1. 一、docker环境搭建
2. 二、docker-compose环境搭建
3. 三、docker配置文件修改
4. 四、docker常用命令
5. 五、docker-compose

一、docker环境搭建

官网安装地址

1. 卸载旧版本

   较旧的Docker版本称为docker或docker-engine。如果已安装这些程序，请卸载它们以及相关的依赖项。

   sudo yum remove docker \
                    docker-client \
                    docker-client-latest \
                    docker-common \
                    docker-latest \
                    docker-latest-logrotate \
                    docker-logrotate \
                    docker-engine

2. 安装依赖

   sudo yum install -y yum-utils
   
   sudo yum-config-manager \
      --add-repo \
      https://download.docker.com/linux/centos/docker-ce.repo

3. 安装docker

   sudo yum install docker-ce docker-ce-cli containerd.io

4. 查看docker版本

   docker -v

---

二、docker-compose环境搭建

官网安装地址

1. 运行以下命令以下载Docker Compose的当前稳定版本

   sudo curl -L "https://github.com/docker/compose/releases/download/1.26.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

2. 将可执行权限应用于二进制文件

   sudo chmod +x /usr/local/bin/docker-compose

3. 查看docker-compose版本

   docker-compose -v

---

三、docker配置文件修改

1. 修改配置文件（如果文件不存在，创建一个）

   vim /etc/docker/daemon.json

   {
     "debug": true,
     "registry-mirrors": [
       "http://hub-mirror.c.163.com",
       "https://registry.aliyuncs.com",
       "https://registry.docker-cn.com",
       "https://docker.mirrors.ustc.edu.cn"
     ],
     "insecure-registries": [
       "ip:host"
     ],
     "experimental": true
   }

2. 重启docker
   systemctl start docker.service
systemctl status docker.service

四、docker常用命令

1. 容器命令

   docker ps	# 查看正在运行容器
   docker ps -a	# 查看所有容器
   docker run -dit --name=crawld -p 30030:10002 deb7db7d4b75		# 启动容器。对外端口：容器端口
   docker logs --details  82d68c1534c6	# 查看日志
   docker logs -f -t --since="2020-05-29" --tail=10 b18698736657	# 查看指定日期之后的日志
   docker stop 82d68c1534c6	# 停止容器
   docker rmf deb7db7d4b75	# 删除容器
   docker exec -it 97191593e2b2 /bin/bash	# 进入容器
   docker tag skywalking/ui:8.0.1 ip:port/basic-servers/skywalking-ui:8.0.1 # Tag标记本地镜像
   docker push ip:port/basic-servers/skywalking-ui:8.0.1 #  镜像上传

2. 镜像命令

   docker pull docker.io/airdock/oracle-jdk	# 拉取镜像（jdk为例）
   docker build -t api-gateway:v1 .	# 生成镜像。将当前目录打包并生成名字叫api-gateway的镜像
   docker rmi api-gateway:v1	# 删除镜像

五、docker-compose

1. docker-compose命令

   docker-compose up -d	# 启动容器
   docker-compose stop	# 停止容器
   docker-compose rm	# 删除容器
   docker-compose restart	# 重启容器

2. docker-compose.yml示例

   version: '3.3'
   services:
     elasticsearch:
       image: elasticsearch:7.1.1
       container_name: elasticsearch
       restart: always
       privileged: true
       user: root
       ports:
         - 9200:9200
       environment:
         discovery.type: single-node
         TZ: Asia/Shanghai
       volumes:
          - ./elasticsearch/logs:/usr/share/elasticsearch/logs
          - ./elasticsearch/data:/usr/share/elasticsearch/data
          - ./elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
          #- /etc/localtime:/etc/localtime
       ulimits:
         memlock:
           soft: -1
           hard: -1
     oap:
       image: skywalking-oap:8.0.1
       container_name: oap
       depends_on:
         - elasticsearch
       links:
         - elasticsearch
       restart: always
       ports:
         - 11800:11800
         - 12800:12800
       environment:
         SW_STORAGE: elasticsearch7
         SW_STORAGE_ES_CLUSTER_NODES: elasticsearch:9200
         TZ: Asia/Shanghai
       volumes:
         - ./config/alarm-settings.yml:/skywalking/config/alarm-settings.yml
         #- /etc/localtime:/etc/localtime
         # - ./config/server-core-6.6.0.jar:/skywalking/oap-libs/server-core-6.6.0.jar
         # - ./config/storage-elasticsearch-plugin-6.6.0.jar:/skywalking/oap-libs/storage-elasticsearch-plugin-6.6.0.jar
     ui:
       image: skywalking-ui:8.0.1
       container_name: ui
       depends_on:
         - oap
       links:
         - oap
       restart: always
       ports:
         - 8080:8080
       environment:
         SW_OAP_ADDRESS: oap:12800
         TZ: Asia/Shanghai
       #volumes:
       #  - /etc/localtime:/etc/localtime