SHELL := bash
.ONESHELL:
.SHELLFLAGS := -eu -o pipefail -c
.DELETE_ON_ERROR:
MAKEFLAGS += --warn-undefined-variables
MAKEFLAGS += --no-builtin-rules
OS:=$(shell uname -s)

ifeq ($(origin .RECIPEPREFIX), undefined)
  $(error This Make does not support .RECIPEPREFIX. Please use GNU Make 4.0 or later)
endif
.RECIPEPREFIX = >

IMAGE_NAME:=homepage
# REMOTE_REPO:=harbor.fizz.buzz/private
TARGET :=

.PHONY: help
help:
> @grep -h "##" $(MAKEFILE_LIST) | grep -v grep | sed -E 's/^([^:]*): *## */\1:  /'

.PHONY: build
build: ## Build the docker image.
> docker build --tag $(IMAGE_NAME) --target=$(TARGET) --file Dockerfile ../../

.PHONY: push
push: ## Push the docker image to a remote repository.
ifdef REMOTE_REPO
> docker tag $(IMAGE_NAME) $(REMOTE_REPO)/$(IMAGE_NAME)
> docker push $(REMOTE_REPO)/$(IMAGE_NAME)
else
> @echo "REMOTE_REPO not defined, not pushing to a remote repo."
endif

.PHONY: clean
clean:
> docker rmi $(IMAGE_NAME)
ifdef REMOTE_REPO
> docker rmi $(REMOTE_REPO)/$(IMAGE_NAME)
else
> @echo "REMOTE_REPO not defined, not removing from remote repo."
endif

.PHONY: run
run: build
run: ## Launch the docker image
> docker run --rm -i -t -p "8080:8080" $(IMAGE_NAME)

.PHONY: shell
shell: ## Launch an interactive shell inside the docker image.
shell: build
> docker run --rm -i -t -p "8080:8080" --entrypoint /bin/bash --mount type=tmpfs,destination=/tmp $(IMAGE_NAME)