Dockerfile: ensure appuser is created and used to run pyxterm server

Author: kfessel

Dockerfile

@@ -3,42 +3,30 @@ FROM ubuntu:20.04
 RUN apt-get update --fix-missing
 RUN apt-get install -y \
     apt-utils \
-#    curl \
-#    g++ \
-#    gcc \
-#    make \
     python3 \
     python3-pip \
     vim \
     zsh
 
-#prepare arduino-cli for container (install as root)
-#RUN curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh
-
 COPY . /var/www
 WORKDIR "/var/www"
 
 RUN pip3 install -r requirements.txt
 
-# Set user and group
-#ARG user=appuser
-#ARG group=appuser
-#ARG uid=1000
-#ARG gid=1000
-#RUN groupadd -g ${gid} ${group}
-#RUN useradd -u ${uid} -g ${group} -s /bin/sh -m ${user} # <--- the '-m' create a user home directory
-#RUN usermod -a -G dialout ${user}
+# Setup appuser and appgroup
+ARG user=appuser
+ARG group=appuser
+ARG uid=1000
+ARG gid=1000
+RUN groupadd -g ${gid} ${group}
+RUN useradd -u ${uid} -g ${group} -s /bin/sh -m ${user} # <--- the '-m' create a user home directory
 
 COPY _assets/.zshrc /home/appuser/.zshrc
 COPY _assets/oh-my-zsh /home/appuser/.oh-my-zsh
 
 # Switch to user we must not set group to make the configuration done above apply
 # !! if ${user} is not setup correctly the next line might result in group being root !!
-#USER ${user}
-
-#prepare our arduino env (as user)
-#RUN arduino-cli upgrade
-#RUN arduino-cli core install arduino:avr
+USER ${user}
 
 EXPOSE 5000