Wait kubernetes deployment to be available in "make deploy"

So if the new container don't start correctly within 3 minutes, the command
will exit with status 1 and fail the build.

Makefile

@@ -23,5 +23,7 @@ dev: build
 
 deploy: push
 	sed "s@hub.extranet.logilab.fr/logilab/intranet@$(IMAGE)@" deploy/deployment.yaml | kubectl -n $(NAMESPACE) apply -f -
+	@echo "wait at max 3 minutes for deployment to be UP"
+	kubectl -n $(NAMESPACE) wait --for=condition=available --timeout=180s deployment/intranet deployment/intranet-scheduler
 
 .PHONY: all build push run dev deploy