diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..71457e6
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,5 @@
+FROM alpine:latest
+
+RUN touch soosoo.txt
+ENV name "Sung hee"
+ENTRYPOINT ["sh", "-c", "Hello again, $name"]