Add upgrade-containers target to pull and restart podman containers

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Makefile

@@ -1,4 +1,4 @@
-.PHONY: help deploy deploy-gateway deploy-fileserver deploy-k8s-server install-gateway install-fileserver install-k8s-server fetch-hwconfig-gateway fetch-hwconfig-fileserver fetch-hwconfig-k8s-server all
+.PHONY: help deploy deploy-gateway deploy-fileserver deploy-k8s-server install-gateway install-fileserver install-k8s-server fetch-hwconfig-gateway fetch-hwconfig-fileserver fetch-hwconfig-k8s-server upgrade-containers all
 
 # Hosts
 GATEWAY_HOST := danlin@10.202.82.3
@@ -16,6 +16,7 @@ help:
 	@echo "  make deploy-gateway            Deploy to gateway only"
 	@echo "  make deploy-fileserver         Deploy to fileserver only"
 	@echo "  make deploy-k8s-server         Deploy to k8s-server only"
+	@echo "  make upgrade-containers        Pull latest images and restart containers on fileserver"
 	@echo "  make install-gateway           Run installation script for gateway"
 	@echo "  make install-fileserver        Run installation script for fileserver"
 	@echo "  make install-k8s-server        Run installation script for k8s-server"
@@ -64,6 +65,18 @@ deploy-fileserver:
 	@echo "✓ Fileserver deployed successfully"
 	@echo ""
 
+# Upgrade containers (pull latest images + restart)
+upgrade-containers:
+	@echo "======================================"
+	@echo "Upgrading containers on fileserver..."
+	@echo "======================================"
+	@echo "Pulling latest images..."
+	ssh $(FILESERVER_HOST) "sudo podman images --format '{{.Repository}}:{{.Tag}}' | grep -v localhost | xargs -I{} sudo podman pull {}"
+	@echo "Restarting containers..."
+	ssh $(FILESERVER_HOST) "sudo systemctl restart podman-filebrowser podman-gitea"
+	@echo "✓ Containers upgraded successfully"
+	@echo ""
+
 # Installation targets
 install-gateway:
 	@echo "======================================"