Access multiple gRPC services each one running on separated port - go

Question

I am running a grpc server listening on localhost:9000, with 2 separate grpc services:
AuthenticationServiceServer port:9001
JobsServiceServer port 9002
This works correctly when I am only running the Auth server, but when adding Jobs server I get:
"error": "rpc error: code = Unimplemented desc = unknown service pb.AuthService"
The server looks like this when working fine
var (
port int
authAddr string
)
func init() {
flag.IntVar(&port, "port", 9000, "api service port")
flag.StringVar(&authAddr, "auth_addr", "localhost:9001", "authenticaton service address")
flag.Parse()
}
func main() {
log.Print("starting main service")
conn, err := grpc.Dial(authAddr, grpc.WithInsecure())
if err != nil {
log.Panicln(err)
}
defer conn.Close()
authSvcClient := pb.NewAuthServiceClient(conn)
authHandlers := resthandlers.NewAuthHandlers(authSvcClient)
authRoutes := routes.NewAuthRoutes(authHandlers)
router := mux.NewRouter().StrictSlash(true)
routes.Install(router, authRoutes)
log.Printf("API service running on [::]:%d\n", port)
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), routes.WithCORS(router)))
}
On some other attempts I got this error.
"error": "rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp: missing address""\
here's the code which returned an error
var (
port int
authAddr string
jobAddr string
)
func init() {
flag.IntVar(&port, "port", 9000, "api service port")
flag.StringVar(&authAddr, "auth_addr", "localhost:9001", "authenticaton service address")
flag.StringVar(&jobAddr, "job_addr", "localhost:9002", "job service address")
flag.Parse()
}
func main() {
log.Print("starting main service")
conn, err := grpc.Dial(authAddr, grpc.WithInsecure())
if err != nil {
log.Panicln(err)
}
defer conn.Close()
jobConn, err := grpc.Dial(jobAddr, grpc.WithInsecure())
if err != nil {
log.Panicln(err)
}
defer jobConn.Close()
jobSvcClient := pb.NewJobPostingServiceClient(jobConn)
jobHandlers := resthandlers.NewJobPostingHandlers(jobSvcClient)
jobRoutes := routes.NewJobPostingRoutes(jobHandlers)
authSvcClient := pb.NewAuthServiceClient(conn)
authHandlers := resthandlers.NewAuthHandlers(authSvcClient)
authRoutes := routes.NewAuthRoutes(authHandlers)
router := mux.NewRouter().StrictSlash(true)
routes.Install(router, authRoutes)
routes.Install(router, jobRoutes)
log.Printf("API service running on [::]:%d\n", port)
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), routes.WithCORS(router)))
}