feat(config): allow disabling debug healthchecks

cmd/schwab-proxy/main.go

@@ -204,11 +204,17 @@ func createServer(
 
 	// Wrap the API proxy with middleware stack
 	// Order: CorrelationID -> Logging -> Metrics -> Tracing -> APIProxy
+	loggingOpts := []func(*log.LoggingOptions){}
+	if !cfg.DebugHealthChecks {
+		loggingOpts = append(loggingOpts, log.WithDebugHealthChecks(false))
+	}
+
 	handler := log.CorrelationIDMiddleware(
 		log.LoggingMiddleware(
 			observability.MetricsMiddleware(
 				observability.TracingMiddleware(apiProxy),
 			),
+			loggingOpts...,
 		),
 	)
 

config/config.go

@@ -61,6 +61,7 @@ type Config struct {
 	// Debug options
 	DebugLogging               bool `env:"DEBUG_LOGGING"                  envDefault:"false"`
 	SendDebugMessagesToClients bool `env:"SEND_DEBUG_MESSAGES_TO_CLIENTS" envDefault:"false"`
+	DebugHealthChecks          bool `env:"DEBUG_HEALTH_CHECKS"            envDefault:"false"`
 
 	// Admin API settings (generated, not from env)
 	AdminAPIKey string `env:"-"`

log/middleware.go

@@ -45,14 +45,44 @@ func CorrelationIDMiddleware(next http.Handler) http.Handler {
 	})
 }
 
+// LoggingOptions holds configuration for the logging middleware.
+type LoggingOptions struct {
+	DebugHealthChecks bool
+}
+
+// WithDebugHealthChecks enables or disables debug logging for health check endpoints.
+func WithDebugHealthChecks(enabled bool) func(*LoggingOptions) {
+	return func(opts *LoggingOptions) {
+		opts.DebugHealthChecks = enabled
+	}
+}
+
 // LoggingMiddleware logs HTTP requests with structured logging.
-func LoggingMiddleware(next http.Handler) http.Handler {
+func LoggingMiddleware(next http.Handler, opts ...func(*LoggingOptions)) http.Handler {
+	// Apply default options
+	options := &LoggingOptions{
+		DebugHealthChecks: true, // Default to true for backwards compatibility
+	}
+
+	// Apply provided options
+	for _, opt := range opts {
+		opt(options)
+	}
+
 	return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
 		ctx := request.Context()
 
+		// Skip logging for health checks if debug is disabled
+		isHealthCheck := strings.HasPrefix(request.URL.Path, "/health/")
+		if isHealthCheck && !options.DebugHealthChecks {
+			next.ServeHTTP(writer, request)
+
+			return
+		}
+
 		// Determine log level based on path
 		level := LevelInfo
-		if strings.HasPrefix(request.URL.Path, "/health/") {
+		if isHealthCheck {
 			level = LevelDebug
 		}