diff --git a/Dockerfile b/Dockerfile
index c1a38a980..3d5621e72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 # syntax=docker/dockerfile:1
-FROM openjdk:16-alpine3.13
-WORKDIR /app
+FROM java:8
+WORKDIR /
 COPY target/spring-petclinic-2.4.5.jar . 
-CMD [ "java", "-jar spring-petclinic-2.4.5.jar" ]
+EXPOSE 8080
+CMD [ "java", "-jar", "spring-petclinic-2.4.5.jar" ]