Add distclean target create config and var dir on build

Makefile

@@ -1,17 +1,24 @@
 TARGET = ./cc-metric-store
+VAR = ./var/checkpoints/
 VERSION = 0.1.0
 GIT_HASH := $(shell git rev-parse --short HEAD || echo 'development')
 CURRENT_TIME = $(shell date +"%Y-%m-%d:T%H:%M:%S")
 LD_FLAGS = '-s -X main.date=${CURRENT_TIME} -X main.version=${VERSION} -X main.commit=${GIT_HASH}'
 
-.PHONY: clean test tags swagger $(TARGET)
+.PHONY: clean distclean test swagger $(TARGET)
 
 .NOTPARALLEL:
 
-$(TARGET):
+$(TARGET): config.json $(VAR)
 	$(info ===>  BUILD cc-metric-store)
 	@go build -ldflags=${LD_FLAGS} ./cmd/cc-metric-store
 
+config.json:
+	@cp ./configs/config.json config.json
+
+$(VAR):
+	@mkdir -p $(VAR)
+
 swagger:
 	$(info ===>  GENERATE swagger)
 	@go run github.com/swaggo/swag/cmd/swag init -d ./internal/api,./internal/util -g api.go -o ./api
@@ -22,6 +29,10 @@ clean:
 	@go clean
 	@rm -f $(TARGET)
 
+distclean: clean
+	@rm -rf ./var
+	@rm -f config.json
+
 test:
 	$(info ===>  TESTING)
 	@go clean -testcache