commit 114654ce1078dbd30a0a414c334cf3bb95c43001
Author: mick <service@yinghuainfo.com>
Date:   Mon Jan 30 08:57:06 2023 +0800

    说明文件 和 Docker 安装命令

diff --git a/README.md b/README.md
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+<h1>
+开发辅助
+<h3>记录开发中经常使用的命令和配置文件，节约开发时间</h3>
+</h1>
diff --git a/docker/install.md b/docker/install.md
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+<h1> Docker 安装
+<h3>Docker 安装命令</h3>
+</h1>
+
+## CentOS 下安装
+
+### 文档地址
+
+```
+https://docs.docker.com/engine/install/
+```
+
+### 卸载旧版本
+
+```bash
+sudo yum remove docker \
+                  docker-client \
+                  docker-client-latest \
+                  docker-common \
+                  docker-latest \
+                  docker-latest-logrotate \
+                  docker-logrotate \
+                  docker-engine
+```
+
+### 设置 repository
+
+```bash
+sudo yum install -y yum-utils
+ sudo yum-config-manager \
+    --add-repo \
+    https://download.docker.com/linux/centos/docker-ce.repo
+```
+
+### 安装 Docker Engine
+
+```bash
+sudo yum install docker-ce docker-ce-cli containerd.io docker-compose-plugin
+```
+
+### 启动 Docker
+
+```bash
+sudo systemctl start docker
+```
+
+### 设置 Docker 开机自启动
+
+```
+sudo systemctl enable docker
+```