Update Dockerfile

Dockerfile

@@ -29,6 +29,9 @@ RUN if [ -z "$USER_ID" ]; then \
       adduser --uid "$USER_ID" --disabled-password --gecos '' "$USER_GROUP"; \
     fi
 
+# Add the user to the sudo group
+RUN usermod -aG sudo appuser
+
 # Set appropriate permissions for the application directory
 RUN chown -R "$USER_ID:$USER_GROUP" /app && chmod -R 755 /app