diff --git a/Dockerfile b/Dockerfile
index 1d54443..f9fbce3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,7 @@ VOLUME /tmp
 #for local
 #COPY target/*.war app.war
 #for CI/CD
-ARG JAR_FILE=ironoc-personal-portfolio-3.1.8.war
-COPY ${JAR_FILE} app.war
+COPY ironoc-personal-portfolio-3.1.8.war app.war
 RUN sh -c 'touch /app.war'
 
 ENV RUN_FILE /run.sh