env: use only http port

.env.example

@@ -1,5 +1,5 @@
 POSTGRES_SOURCE=postgres://postgres:postgres@0.0.0.0:5432/realworld?sslmode=disable
 POSTGRES_MIGRATION_URL=file://internal/adapter/repository/sql/db/migration
 MONGO_SOURCE=mongodb://root:root@0.0.0.0:27017/realworld?authSource=admin
-HTTP_SERVER_ADDRESS=0.0.0.0:5000
+HTTP_SERVER_PORT=5000
 TOKEN_SYMMETRIC_KEY=12345678901234567890123456789012

.env.test

@@ -1,5 +1,5 @@
 POSTGRES_SOURCE=postgres://postgres:postgres@0.0.0.0:5432/realworld?sslmode=disable
 POSTGRES_MIGRATION_URL=file://../../../internal/adapter/repository/sql/db/migration
 MONGO_SOURCE=mongodb://root:root@0.0.0.0:27017/realworld?authSource=admin
-HTTP_SERVER_ADDRESS=0.0.0.0:5000
+HTTP_SERVER_PORT=5000
 TOKEN_SYMMETRIC_KEY=12345678901234567890123456789012

cmd/server.go

@@ -20,7 +20,7 @@ func init() {
 
 	rootCmd.AddCommand(serverCmd)
 	serverCmd.Flags().StringP("database", "d", repository.DefaultRepoKey, fmt.Sprintf("select database in (%s)", dbOptStr))
-	serverCmd.Flags().IntP("port", "p", 5000, fmt.Sprint("server port "))
+	serverCmd.Flags().IntP("port", "p", config.HTTPServerPort, "server port")
 }
 
 var serverCmd = &cobra.Command{
@@ -33,7 +33,7 @@ var serverCmd = &cobra.Command{
 		if err != nil {
 			log.Fatal("failed get port flag", err)
 		}
-		config.HTTPServerAddress = fmt.Sprintf("0.0.0.0:%d", port)
+		config.HTTPServerPort = port
 
 		dbType, err := cmd.Flags().GetString("database")
 		if err != nil {

internal/adapter/handler/restful/server.go

@@ -2,6 +2,7 @@ package restful
 
 import (
 	"context"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -78,7 +79,7 @@ func (server *Server) setupRouter() {
 
 func (server *Server) Start() error {
 	srv := &http.Server{
-		Addr:    server.config.HTTPServerAddress,
+		Addr:    fmt.Sprintf(":%d", server.config.HTTPServerPort),
 		Handler: server.router,
 	}
 

internal/core/util/config.go

@@ -7,9 +7,12 @@ import (
 type Config struct {
 	PostgresSource       string `mapstructure:"POSTGRES_SOURCE"`
 	PostgresMigrationURL string `mapstructure:"POSTGRES_MIGRATION_URL"`
-	MongoSource          string `mapstructure:"MONGO_SOURCE"`
-	HTTPServerAddress    string `mapstructure:"HTTP_SERVER_ADDRESS"`
-	TokenSymmetricKey    string `mapstructure:"TOKEN_SYMMETRIC_KEY"`
+
+	MongoSource string `mapstructure:"MONGO_SOURCE"`
+
+	HTTPServerPort int `mapstructure:"HTTP_SERVER_PORT"`
+
+	TokenSymmetricKey string `mapstructure:"TOKEN_SYMMETRIC_KEY"`
 
 	TestRepo string `mapstructure:"TEST_REPO"`
 }