fix: security issue regarding user

Author: Warren-Pitterson

database/Dockerfile

@@ -1,7 +1,13 @@
 FROM mcr.microsoft.com/mssql-tools
 
+RUN useradd -m -s /bin/bash nonroot
+
 WORKDIR /database
 COPY db-setup-entrypoint.sh /database/
-RUN chmod +x /database/db-setup-entrypoint.sh
-# USER mssql
+
+RUN chmod +x /database/db-setup-entrypoint.sh && \
+    chown -R nonroot:nonroot /database
+
+USER nonroot
+
 ENTRYPOINT ["/database/db-setup-entrypoint.sh"]