fix.

Makefile

@@ -5,21 +5,23 @@ GO_COVERPKGS:=$(shell echo $(GO_TESTPKGS) | paste -s -d ',')
 TEST_UID:=$(shell id -u)
 TEST_GID:=$(shell id -g)
 
-all: build
-
-clean:
-	rm -rf bin
+all: core app
 
 go_deps:
 	go mod download
 
-build: go_deps
-	go build -o bin/app-biz $(GO_LDFLAGS) cmd/app-biz/main.go
+core: go_deps
 	go build -o bin/islb $(GO_LDFLAGS) cmd/islb/main.go
 	go build -o bin/sfu $(GO_LDFLAGS) cmd/sfu/main.go
 	go build -o bin/avp $(GO_LDFLAGS) cmd/avp/main.go
 	go build -o bin/signal $(GO_LDFLAGS) cmd/signal/main.go
 
+app:
+	go build -o bin/app-biz $(GO_LDFLAGS) apps/biz/main.go
+
+clean:
+	rm -rf bin
+
 start-bin:
 
 start-services:
@@ -42,14 +44,14 @@ proto-gen-from-docker:
 	docker build -t go-protoc ./proto
 	docker run -v $(CURDIR):/workspace go-protoc proto
 
-proto: proto_ion proto_biz
+proto: proto_core proto_app
 
-proto_ion: 
+proto_core: 
 	protoc proto/ion/ion.proto --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.
 	protoc proto/debug/debug.proto --experimental_allow_proto3_optional --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.
 	protoc proto/sfu/sfu.proto --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.
 	protoc proto/islb/islb.proto --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.
 	protoc proto/rtc/rtc.proto --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.
 
-proto_biz:
+proto_app:
 	protoc apps/biz/proto/biz.proto --go_opt=module=github.com/pion/ion --go_out=. --go-grpc_opt=module=github.com/pion/ion --go-grpc_out=.