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

.PHONY: clean
clean:
> docker rmi $(IMAGE_NAME)