Add make command for running the app in an HA topology (#16702)

* Add make command for running the app in an HA topology

* Tidy up conf files, remove unnecessary commands and add restart-haserver command

* Use the right flag for checking enterprise folder presence before ha setup

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build package run stop run-client run-server stop-client stop-server restart restart-server restart-client start-docker clean-dist clean nuke check-style check-client-style check-server-style check-unit-tests test dist prepare-enteprise run-client-tests setup-run-client-tests cleanup-run-client-tests test-client build-linux build-osx build-windows internal-test-web-client vet run-server-for-web-client-tests diff-config prepackaged-plugins prepackaged-binaries test-server test-server-ee test-server-quick test-server-race start-docker-check
+.PHONY: build package run stop run-client run-server run-haserver stop-client stop-server restart restart-server restart-client restart-haserver start-docker clean-dist clean nuke check-style check-client-style check-server-style check-unit-tests test dist prepare-enteprise run-client-tests setup-run-client-tests cleanup-run-client-tests test-client build-linux build-osx build-windows internal-test-web-client vet run-server-for-web-client-tests diff-config prepackaged-plugins prepackaged-binaries test-server test-server-ee test-server-quick test-server-race start-docker-check
 
 ROOT := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
 
@@ -156,6 +156,13 @@ ifneq (,$(findstring openldap,$(ENABLED_DOCKER_SERVICES)))
 endif
 endif
 
+run-haserver: run-client
+ifeq ($(BUILD_ENTERPRISE_READY),true)
+	@echo Starting mattermost in an HA topology
+
+	docker-compose -f docker-compose.yaml up haproxy
+endif
+
 stop-docker: ## Stops the docker containers for local development.
 ifeq ($(MM_NO_DOCKER),true)
 	@echo No Docker Enabled: skipping docker stop
@@ -473,6 +480,13 @@ restart: restart-server restart-client ## Restarts the server and webapp.
 
 restart-server: | stop-server run-server ## Restarts the mattermost server to pick up development change.
 
+restart-haserver:
+	@echo Restarting mattermost in an HA topology
+
+	docker-compose restart follower
+	docker-compose restart leader
+	docker-compose restart haproxy
+
 restart-client: | stop-client run-client ## Restarts the webapp.
 
 run-job-server: ## Runs the background job server.