Add a helper Makefle

Author: dreglad

Makefile

@@ -0,0 +1,19 @@
+# Container image
+IMAGE_REPO ?= phpcfdi/cfditopdf
+IMAGE_TAG ?= latest
+
+.DEFAULT_GOAL := help
+.PHONY: build run help
+
+build: ## Build the container image
+	docker build -t $(IMAGE_REPO):$(IMAGE_TAG) .
+
+run: ## Run container passing `cmd` make argument as the containr command
+	@docker run --rm \
+	  --volume $(shell pwd)/files:/app/files \
+	  --user $(shell id -u ${USER}):$(shell id -g ${USER}) \
+	  $(IMAGE_REPO):$(IMAGE_TAG) \
+	  $(cmd)
+
+help: ## Print this help.
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'