diff --git a/docker/Dockerfile b/docker/Dockerfile
index f1d29d1..75a377e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,9 +11,14 @@ ARG user_id=1000
 ARG group_name=ubuntu
 ARG group_id=1000
 
+RUN echo ${user_name}
+RUN echo ${user_id}
+RUN echo ${group_name}
+RUN echo ${group_id}
+
 # create user
-RUN groupadd -g ${group_id} ${group_name}
-RUN useradd -u ${user_id} -g ${group_id} -d /home/${user_name} \
+RUN groupadd -g 1000 ${group_name}
+RUN useradd -u 1000 -g 1000 -d /home/${user_name} \
     --create-home --shell /bin/bash ${user_name}
 RUN echo "${user_name} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
 RUN chown -R ${user_name}:${group_name} /home/${user_name}
@@ -54,4 +59,3 @@ RUN sudo apt-get update --fix-missing && \
 
 WORKDIR /work
 CMD ["/bin/bash"]
-