Default values for config

cmd/music-agregator/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"net"
 	"os"
 
@@ -32,10 +33,9 @@ func main() {
 	log.Info().Interface("config", cfg).Msg("Loaded config")
 
 	// start the grpc in another thread to not block the next http start
-	go serveGrpc()
+	go serveGrpc(*cfg)
 
 	serveHttp()
-
 }
 
 func serveHttp() {
@@ -49,27 +49,30 @@ func serveHttp() {
 	router.Run()
 }
 
-func serveGrpc() {
+func serveGrpc(config config.Config) {
 	var opts []grpc.ServerOption
 	server := grpc.NewServer(opts...)
+
 	helloServiceHandler := hello.NewHelloServer()
 	pb.RegisterHelloServiceServer(server, helloServiceHandler)
-	listener, err := net.Listen("tcp", "localhost:8081")
+	listener, err := net.Listen("tcp", fmt.Sprintf("%v:%v", config.App.Host, config.App.Port))
+
 	if err != nil {
 		log.Fatal().Err(err).Msg("Failed to listen on localhost:8081")
 	}
+
 	server.Serve(listener)
 }
 
-func parseConfig(path *string) (config.Config, error) {
+func parseConfig(path *string) (*config.Config, error) {
 	f, err := os.Open(*path)
 	if err != nil {
 		log.Error().Str("path", *path).Msg("Unable to opent config by path")
-		return config.Config{}, err
+		return nil, err
 	}
 	defer f.Close()
 
-	var cfg config.Config
+	cfg := config.NewConfig()
 	decoder := yaml.NewDecoder(f)
 	err = decoder.Decode(&cfg)
 	if err != nil {