增加了Dockerfile
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..28f3e81
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,9 @@
+FROM openjdk:8
+
+COPY payapi-1.jar /opt/payapi/payapi.jar
+
+EXPOSE 8080
+
+WORKDIR /opt/payapi
+
+CMD ["java" , "-jar", "payapi.jar"]