From f2c7fad7ff1b742fe72b5fab5f60779dd5d78dbd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E9=AB=98=E5=B3=B0?= <wanggaofeng@toceart.com>
Date: Wed, 29 Dec 2021 17:52:15 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Build/Dockerfile.CMD3 | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 Build/Dockerfile.CMD3

diff --git a/Build/Dockerfile.CMD3 b/Build/Dockerfile.CMD3
new file mode 100644
index 0000000..c881d28
--- /dev/null
+++ b/Build/Dockerfile.CMD3
@@ -0,0 +1,8 @@
+#FROM ubuntu
+#CMD echo "This is a test." | wc -
+# wc 命令：计算指定文件(文本)的行数、字数，以及字节数
+
+#注意：docker run 启动容器后，输出一行内容之后，容器即退出。因为 CMD 中的命令是非阻塞命令。
+
+FROM ubuntu
+CMD ["/usr/bin/wc","--help"]
\ No newline at end of file