Containerfile: crear usuarix suttier

Containerfile

@@ -10,4 +10,15 @@ COPY packages /root/packages
 RUN apk add --no-cache $(cat "/root/packages" | tr "\n" " ")
 RUN sed -re "s/#(@platforms = )/\1/" -i "/usr/lib/ruby/2.7.0/rubygems.rb"
 
-COPY .gemrc /root/.gemrc
+RUN mkdir /home && \
+    adduser \
+        --disabled-password \
+        --gecos "" \
+        --ingroup suttier \
+        --home /home/suttier \
+        --no-create-home \
+        --uid "$UID" \
+        suttier
+USER suttier
+
+COPY .gemrc /home/suttier/.gemrc