diff --git a/TransactionProcessorACL/Dockerfile b/TransactionProcessorACL/Dockerfile
index e175823..1676774 100644
--- a/TransactionProcessorACL/Dockerfile
+++ b/TransactionProcessorACL/Dockerfile
@@ -23,5 +23,8 @@ RUN dotnet publish "TransactionProcessorACL.csproj" -c Release -o /app/publish
 
 FROM base AS final
 WORKDIR /app
-COPY --from=publish /app/publish .
-ENTRYPOINT ["dotnet", "TransactionProcessorACL.dll"]
\ No newline at end of file
+RUN groupadd --gid 10001 appuser \
+    && useradd --uid 10001 --gid appuser --shell /usr/sbin/nologin appuser
+COPY --from=publish --chown=appuser:appuser /app/publish .
+USER appuser
+ENTRYPOINT ["dotnet", "TransactionProcessorACL.dll"]