Update Dockerfile

Dockerfile

@@ -7,7 +7,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 RUN cd ~/EMs \
  && git clone https://github.com/EMsoft-org/EMsoftData.git \
  && git clone https://github.com/EMsoft-org/EMsoft.git \
- && mkdir EMPlay && mkdir EMsoftBuild && mkdir EMXtal
+ && mkdir EMsoftBuild
 
 RUN cd ~/EMs/EMsoftBuild/ && mkdir Debug Release && cd Debug \
  && cmake -DCMAKE_BUILD_TYPE=Debug -DEMsoft_SDK=/opt/EMsoft_SDK -DBUILD_SHARED_LIBS=OFF \
@@ -23,6 +23,24 @@ ENV PATH ~/EMs/EMsoftBuild/Release/Bin:$PATH
 # add backup path of EMsoft
 ENV EMSOFTPATHNAME ~/EMs/EMsoft
 
-# run terminal for user at /home/
-WORKDIR /home/
+# install a new user
+ARG user=EMuser
+ARG uid=501
+ARG gid=3000
+
+# Add new user with our credentials
+ENV USERNAME ${user}
+RUN useradd -m $USERNAME && \
+        echo "$USERNAME:$USERNAME" | chpasswd && \
+        usermod --shell /bin/bash $USERNAME && \
+        usermod  --uid ${uid} $USERNAME && \
+        groupmod --gid ${gid} $USERNAME
+
+USER ${user}
+
+# create a home folder
+RUN mkdir /home/${user}
+
+# run terminal for EMuser at /home/${user}
+WORKDIR /home/${user}
 CMD ["/bin/bash"]