fix Dockerfile

Change-Id: If7a209cc9bdd1ed4e50b8904256e50f6e218e0fb
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..2baaae0
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+FROM eclipse-temurin:17-jdk-jammy
+
+COPY target/*.jar app.jar
+
+EXPOSE 8080
+
+ENTRYPOINT ["java", "-jar", "app.jar"]