新增Docker ssh管理

Docker/Dockerfile/Centos/Dockerfile-ssh

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+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"]