DAY = 13 .PHONY: run clean push run: build docker run -it --rm aoc2018day$(DAY) build: part* input docker build -t aoc2018day$(DAY) . touch build clean: rm -f build push: build docker tag aoc2018day$(DAY) advent.4574.co.uk/aoc2018day$(DAY) docker push advent.4574.co.uk/aoc2018day$(DAY)