fixed user

Author: StephanKa

docker/Dockerfile

@@ -64,8 +64,8 @@ RUN apt-get -y install --fix-missing vim \
     && apt-get autoremove -y && apt-get clean
 
 # Dev user for inside the container
-RUN groupadd -g 1000 ${DEV_USER} && \
-  useradd -m -u 1000 -g 1000 -d /home/${DEV_USER} -s /bin/bash ${DEV_USER} && \
+RUN groupadd -f -g 1000 ${DEV_USER} && \
+  useradd --non-unique -m -u 1000 -g 1000 -d /home/${DEV_USER} -s /bin/bash ${DEV_USER} && \
   usermod -a -G adm,cdrom,sudo,dip,plugdev ${DEV_USER} && \
   echo "${DEV_USER}:${DEV_USER}" | chpasswd && \
   echo "${DEV_USER}   ALL=(ALL:ALL) ALL" >> /etc/sudoers