diff --git a/action-a/Dockerfile b/action-a/Dockerfile
index 504ace5..585d028 100644
--- a/action-a/Dockerfile
+++ b/action-a/Dockerfile
@@ -3,11 +3,8 @@ RUN apt-get -y update
 RUN apt-get -y install apt-utils
 RUN apt-get -y install g++
 RUN apt-get -y install freeglut3-dev
-RUN mkdir /nish
-WORKDIR /nish
-ADD script1.sh /nish/script1.sh
-ADD Hut.cpp /nish/Hut.cpp
+ADD Hut.cpp /Hut.cpp
 RUN pwd
 RUN ls
-RUN chmod +x /nish/script1.sh
-CMD ./nish/script1.sh
+RUN g++ /Hut.cpp -lglut -lGLU -lGL
+RUN ./a.out