improved user managment in client Dockerfile with args

Docker/client/Dockerfile

@@ -4,21 +4,26 @@ RUN apk update && apk --no-cache add shadow && \
     usermod -u 1001 node && \
     groupmod -g 1001 node
 
-RUN find / -group 1000 -exec chgrp -h node {} \;
+ARG UID=1000
-RUN find / -user 1000 -exec chown -h node {} \;
+ARG UNAME=gdp
+ARG GID=1000
+ARG GNAME=users
+
+RUN find / -group $UID -exec chgrp -h node {} \;
+RUN find / -user $UID -exec chown -h node {} \;
 
 # RUN addgroup -g 1000 gdp && \
     # adduser -h /home/gdp -D -u 1000 gdp && \
-RUN adduser -u 1000 -G users -s /bin/sh -D gdp
+RUN adduser -u $UID -G $GNAME -s /bin/sh -D $UNAME
     # chown -R gdp:gdp /home/gdp
 
-USER gdp
+USER $UNAME
 
-COPY ./bashrc /home/gdp/.bashrc
+COPY ./bashrc /home/$UNAME/.bashrc
-COPY ./inputrc /home/gdp/.inputrc
+COPY ./inputrc /home/$UNAME/.inputrc
 
 COPY ./client-entrypoint.sh /usr/local/bin
 USER root
 RUN chmod +x /usr/local/bin/client-entrypoint.sh
-USER gdp
+USER $UNAME
 CMD ["/bin/sh","/usr/local/bin/client-entrypoint.sh"]

README.md

@@ -25,6 +25,10 @@ only before the first run (may take some time)
 ```
 sudo docker-compose build
 ```
+or with args for groups and users
+```
+docker build --build-arg UID=$(id -u) --build-arg GID=$(id -g) --build-arg UNAME=$(id -g) --build-arg GNAME=$(id -g)
+```
 ### run
 then each time you want to launch the app
 ```