Added migrations

internal/infrastructure/config.go

@@ -17,10 +17,10 @@ type Config struct {
 	PostsPath     string `mapstructure:"posts_path" default:"./posts/"`
 }
 
-func LoadConfig() (config Config, err error) {
-	config = Config{}
+func LoadConfig() (config *Config, err error) {
+	config = &Config{}
 	if err = defaults.Set(config); err != nil {
-		return
+		return nil, err
 	}
 
 	viper.SetConfigName("config")
@@ -30,12 +30,12 @@ func LoadConfig() (config Config, err error) {
 	viper.AddConfigPath("/58team_blog/cfgs/")
 
 	if err = viper.ReadInConfig(); err != nil {
-		return
+		return nil, err
 	}
 
 	if err = viper.Unmarshal(&config); err != nil {
-		return
+		return nil, err
 	}
 
-	return
+	return config, nil
 }