diff --git a/Dockerfile b/Dockerfile
index 4c2b20a..8262063 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,6 +27,14 @@ RUN mkdir -p /app/data
 # Store the database in the volume-mountable /app/data directory
 ENV ConnectionStrings__DefaultConnection="Data Source=/app/data/budgetapp.db"
 
+# SSO / OAuth provider configuration (override at runtime with your credentials)
+ENV Authentication__Google__ClientId="" \
+    Authentication__Google__ClientSecret="" \
+    Authentication__Microsoft__ClientId="" \
+    Authentication__Microsoft__ClientSecret="" \
+    Authentication__GitHub__ClientId="" \
+    Authentication__GitHub__ClientSecret=""
+
 VOLUME ["/app/data"]
 
 ENTRYPOINT ["dotnet", "BudgetApp.dll"]