BASENAME=interview

IMAGE_NAME=$(BASENAME):latest
MOUNT_DIR=$(shell realpath $(DIR))

help:
	$(info make build to build the image)	
	$(info make run PORT=<port_to_expose> DIR=<dir_to_mount> SECRET=<password_for_ubuntu_user>)

build:
	$(info BUILDING IMAGE NAME: $(IMAGE_NAME))
	docker build \
		-t $(IMAGE_NAME) \
		-f Dockerfile .
	docker image ls $(IMAGE_NAME)

run: check-env
	$(info PORT: $(PORT) MOUNT: ${MOUNT_DIR} PASSWORD: $(SECRET))
	docker run -it --rm --name interview \
    -h interview \
    -m 524288000 \
    -e SECRET=$(SECRET) \
    -p ${PORT}:22 \
    -v ${MOUNT_DIR}:/home/ubuntu/interview:ro \
    $(IMAGE_NAME) bash -c read "press Enter to stop"

check-env:
ifndef PORT
	$(error no PORT, run make help)
endif

ifndef SECRET
	$(error no SECRET, run make help)
endif

ifndef DIR
	$(error no DIR, run make help)
endif