chore: add a Makefile to support Docker operations

Makefile

@@ -0,0 +1,27 @@
+GREEN := \033[1;32m
+BLUE := \033[1;34m
+RESET := \033[0m
+
+# The directory of this file
+DIR := $(shell echo $(shell cd "$(shell dirname "${BASH_SOURCE[0]}" )" && pwd ))
+
+# This will output the help for each task
+# thanks to https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+.PHONY: help
+
+help: ## This help
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "${GREEN}%-30s${RESET} %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+.DEFAULT_GOAL := help
+
+serve: ## Local server
+	@echo "${BLUE}Servering website in localhost:4000${RESET}"
+	docker run -p 4000:4000 -v $(DIR):/usr/src/app my-jekyll-project
+
+build: ## Build site
+	@echo "${BLUE}Building site...${RESET}"
+	docker build -t expressjs.com .
+
+clean: ## Clean up
+	@echo "${BLUE}Clean up...${RESET}"
+	docker rmi expressjs.com