refactor: simplify config reader and improve logging

main.go

@@ -62,7 +62,7 @@ var db *sql.DB
 
 func main() {
 	// Use the global cfg variable instead of declaring a new one
-	cfgReader := config.NewConfReader("config").WithSearchDirs("./", ".")
+	cfgReader := config.NewConfReader("config")
 	cfgErr := cfgReader.Read(&cfg)
 
 	zapcfg := zap.NewProductionConfig()
@@ -79,8 +79,10 @@ func main() {
 		logger.Fatal("Failed to load config", zap.Error(cfgErr))
 	}
 
+	logger.Debug("Loaded config", zap.Any("config", cfg))
+
 	// Add detailed logging of the OAuth config
-	logger.Info("OAuth Configuration", 
+	logger.Info("OAuth Configuration",
 		zap.String("ClientID", cfg.OAuth.ClientID),
 		zap.String("ClientSecret", cfg.OAuth.ClientSecret),
 		zap.String("AuthURL", cfg.OAuth.AuthURL),
@@ -98,7 +100,7 @@ func main() {
 		RedirectURL: fmt.Sprintf("http://localhost:%d/oauth/callback", cfg.Server.Port),
 		Scopes:      []string{"profile", "email"},
 	}
-	
+
 	// Log the OAuth config that's actually being used
 	logger.Info("Initialized OAuth Config",
 		zap.String("ClientID", oauthConfig.ClientID),