Setting un invoice pdf microservice

Makefile

@@ -5,7 +5,7 @@ API_PORT=4001
 DSN=vinchent:secret@tcp(localhost:3306)/widgets?parseTime=true&tls=false
 
 ## build: builds all binaries
-build: clean build_front build_back
+build: clean build_front build_back build_invoice
 	@printf "All binaries built!\n"
 
 ## clean: cleans all binaries and runs go clean
@@ -15,6 +15,12 @@ clean:
 	@go clean
 	@echo "Cleaned!"
 
+## build_invoice: builds the invoice microservice
+build_invoice:
+	@echo "Building invoice microservice..."
+	@go build -o dist/invoice ./cmd/micro/invoice
+	@echo "Invoice microservice built!"
+
 ## build_front: builds the front end
 build_front:
 	@echo "Building front end..."
@@ -28,8 +34,14 @@ build_back:
 	@echo "Back end built!"
 
 ## start: starts front and back end
-start: start_front start_back
+start: start_front start_back start_invoice
 	
+## start_invoice: starts the invoice microservice
+start_invoice: build_invoice
+	@echo "Starting the invoice microservice..."
+	@./dist/invoice &
+	@echo "invoice microservice running!"
+
 ## start_front: starts the front end
 start_front: build_front
 	@echo "Starting the front end..."
@@ -43,9 +55,15 @@ start_back: build_back
 	@echo "Back end running!"
 
 ## stop: stops the front and back end
-stop: stop_front stop_back
+stop: stop_front stop_back stop_invoice
 	@echo "All applications stopped"
 
+## stop_invoice: stops the invoice microservice
+stop_invoice:
+	@echo "Stopping the invoice microservice..."
+	@-pkill -SIGTERM -f "invoice"
+	@echo "Stopped invoice microservice"
+
 ## stop_front: stops the front end
 stop_front:
 	@echo "Stopping the front end..."