diff --git a/backend/kustomize/base/database-deployment.yml b/backend/kustomize/base/database-deployment.yaml
similarity index 100%
rename from backend/kustomize/base/database-deployment.yml
rename to backend/kustomize/base/database-deployment.yaml
diff --git a/backend/kustomize/base/database-pvc.yml b/backend/kustomize/base/database-pvc.yaml
similarity index 100%
rename from backend/kustomize/base/database-pvc.yml
rename to backend/kustomize/base/database-pvc.yaml
diff --git a/backend/kustomize/base/database-service.yml b/backend/kustomize/base/database-service.yaml
similarity index 100%
rename from backend/kustomize/base/database-service.yml
rename to backend/kustomize/base/database-service.yaml