Makefile

SHELL := /bin/bash 
BUILD_OUTPUT=main
BUILD_FOLDER=build
APP_PORT?=8080
APP_IMAGE_NAME=jwt_auth
APP_CONTAINER_PORT=8080
APP_CONTAINER_NAME=jwt
gencert:
	@echo "make gencert 	- Create a self-signed X.509 certificate (dev only)"
	rm -f server.crt
	rm -f server.key
	rm -f $(BUILD_FOLDER)/server.crt
	rm -f $(BUILD_FOLDER)/server.key
	# Key considerations for algorithm "RSA" ≥ 2048-bit
	openssl genrsa -out server.key 2048
	# Key considerations for algorithm "ECDSA" ≥ secp384r1
	# List ECDSA the supported curves (openssl ecparam -list_curves)
	openssl ecparam -genkey -name secp384r1 -out server.key
	# Generation of self-signed(x509) public key (PEM-encodings .pem|.crt) based on the private (.key)
	openssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650

.PHONY: build
build:
	@echo "make build	- Build the binary"
	go build -a -o $(BUILD_FOLDER)/$(BUILD_OUTPUT)
	cp server.crt $(BUILD_FOLDER)/server.crt
	cp server.key $(BUILD_FOLDER)/server.key
	cp config.yaml $(BUILD_FOLDER)/config_for_host.yaml
	chmod 755 $(BUILD_FOLDER)/$(BUILD_OUTPUT)

run:
	@echo "make run      	- Run the binary with an available config.yaml"
	./$(BUILD_FOLDER)/$(BUILD_OUTPUT) -config=config_for_host.yaml

clean:
	@echo "make clean   	- Clean the build output"
	@if [[ -e "$(BUILD_FOLDER)" ]]; then \
		rm -rf $(BUILD_FOLDER)/*; \
	fi

killapp:
	@echo "make killapp   	- Kill process of the app on configured port"
	lsof -ti tcp:$(APP_PORT) | xargs kill

# run_example:
# 	export TOKEN=$(curl "https://localhost:8080/signin" -k -X POST -H "Accept: application/json" -d "@example/creds.json" -v 2>&1 | grep -Fi token | awk -F"=|;" '{print $2}'); \
#   curl "https://localhost:8080/welcome" -k -v -X POST -H "Accept: application/json" -H "Authorization: Bearer $$TOKEN"


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docker-build:
	docker build -t $(APP_IMAGE_NAME) . --no-cache
docker-run:
	docker rm -f $(APP_CONTAINER_NAME) || true && \
	docker run -p $(APP_PORT):$(APP_CONTAINER_PORT) --name $(APP_CONTAINER_NAME)  $(APP_IMAGE_NAME)
docker-rm:
	docker rm -f $(APP_CONTAINER_NAME)

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help:
	@echo "============================================================================="
	@echo "Build commands:																"
	@echo "   	make build			- Build the binary									"
	@echo "   	make clean   		- Clean the build output							"
	@echo "   	make gencert 		- Create a self-signed X.509 certificate (dev only)	"
	@echo "   	make help   		- Show current build info							"
	@echo "   	make killapp   		- Kill process of the app on the configured port	"
	@echo "   	make run      		- Run the binary with available config.yaml			"
	@echo "============================================================================="
	@echo "Docker-related commands:														"
	@echo "		make docker-build	- Build application image							"
	@echo "	  	make docker-run		- Run application container							"
	@echo "		make docker-rm		- Remove forcefully application container			"
	@echo "============================================================================="
																

.SILENT: