新增Docker ssh管理

Docker/Dockerfile/Centos/Dockerfile-ssh

@@ -0,0 +1,34 @@
+FROM centos:7
+
+# 设置环境变量(登录密码)
+ARG ROOT_PASSWORD
+
+# 切换镜像源
+RUN mv /etc/yum.repos.d/* /tmp \
+    && curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
+
+# 安装SSH服务及相关工具
+RUN yum install -y \
+    openssh-server \
+    openssh-clients \
+    passwd \
+    sudo \
+    vim \
+    net-tools \
+    iproute \
+    which \
+    && yum clean all
+
+# 配置SSH服务
+RUN ssh-keygen -A \
+    && mkdir -p /var/run/sshd \
+    && echo "root:${ROOT_PASSWORD}" | chpasswd \
+    && sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config \
+    && sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config \
+    && sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config
+
+# 开放SSH端口
+EXPOSE 22
+
+# 启动SSH服务
+CMD ["/usr/sbin/sshd", "-D"]

Docker/Dockerfile/Centos/README.md

@@ -2,9 +2,37 @@
 
 > 本文作者：丁辉
 
-# Centos 镜像构建
+# Centos
 
-```bash
-./build.sh
-```
+- Centos 基础镜像构建
+
+  ```bash
+  ./build.sh
+  ```
+
+- Centos 配置策略允许外部通过 SSH 登录
+
+  1. 构建镜像
+
+     ```bash
+     docker build --build-arg ROOT_PASSWORD=password -t centos-ssh:7 -f Dockerfile-ssh .
+     ```
+
+     **参数解释**
+
+     `ROOT_PASSWORD`：配置登录 Centos 默认 ROOT 密码
+
+  2. 启动镜像并登录
+
+     ```bash
+     docker run --name centos -p 2222:22 -d centos-ssh:7
+     ```
+
+  3. 登录
+
+     ```bash
+     ssh -p 2222 root@IP
+     ```
+
+