I've recently started using Makefiles for this reason, it cut my cache hit on checking if my docker image needs a rebuild based on dependencies from 1.8s to 0.0

I've recently started using Makefiles for this reason, it cut my cache hit on checking if my docker image needs a rebuild based on dependencies from 1.8s to 0.03s. My workflow had me hitting this check probably 20 times/day, so it was a huge time save! IGNORE_FILES := "Makefile\|.gitignore\|.dockerignore" DOCKER_CONTEXT := $(shell git ls-files -cmo --exclude-standard \ --exclude-from=.dockerignore \ | grep -v $(IGNORE_FILES)) .PHONY: build build: .build/docker_image .build/docker_image: .build $(DOCKER_CONTEXT) docker build -t $(IMAGE) . docker images -q $(IMAGE) > $@ .build: @mkdir -p $@ I'm still figuring this stuff out, so I would love any feedback. :)