http: Only enable access logs if configured

modules/caddyhttp/caddyhttp.go

@@ -76,9 +76,13 @@ func (app *App) Provision(ctx caddy.Context) error {
 
 	for srvName, srv := range app.Servers {
 		srv.logger = app.logger.Named("log")
-		srv.accessLogger = app.logger.Named("log.access")
 		srv.errorLogger = app.logger.Named("log.error")
 
+		// only enable access logs if configured
+		if srv.Logs != nil {
+			srv.accessLogger = app.logger.Named("log.access")
+		}
+
 		if srv.AutoHTTPS == nil {
 			// avoid nil pointer dereferences
 			srv.AutoHTTPS = new(AutoHTTPSConfig)

modules/caddyhttp/responsewriter.go

@@ -229,6 +229,7 @@ func (rr *responseRecorder) WriteResponse() error {
 	_, err := io.Copy(rr.ResponseWriterWrapper, rr.buf)
 	return err
 }
+
 // ResponseRecorder is a http.ResponseWriter that records
 // responses instead of writing them to the client. See
 // docs for NewResponseRecorder for proper usage.