parse env variable in dedicated struct

server/server.go

@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"errors"
+	"librapi/services"
 	"net/http"
 	"strconv"
 	"time"
@@ -13,7 +14,6 @@ import (
 const (
 	ServerShutdownTimeout = 10 * time.Second
 	ServerReadTimeout     = 5 * time.Second
-	DefaultPort           = 8888
 )
 
 type Handler struct {
@@ -35,8 +35,8 @@ type ServerOption func()
 
 func NewServer(ctx context.Context, port int, handlers ...Handler) Server {
 	if port == 0 {
-		log.Warn().Int("port", DefaultPort).Msg("no port detected, set to default")
-		port = DefaultPort
+		log.Warn().Int("port", services.GetEnv().GetPort()).Msg("no port detected, set to default")
+		port = services.GetEnv().GetPort()
 	}
 
 	srvmux := http.NewServeMux()