backend redesign

.gitignore

@@ -1,5 +1,5 @@
-/backend/data
-/backend/uploads/
+/backend.old/data
+/backend.old/uploads/
 
 # Environment variables
 .env
@@ -101,3 +101,12 @@ Thumbs.db
 *.swp
 *.swo
 *.bak
+
+# Kubernetes secrets (never commit actual secrets!)
+deploy/k8s/dev/secrets/*.yaml
+deploy/k8s/prod/secrets/*.yaml
+!deploy/k8s/dev/secrets/*.yaml.example
+!deploy/k8s/prod/secrets/*.yaml.example
+
+# Dev environment image tags
+.dev-image-tag