message: Accept --production flag when running ssr server
diff: @@ -14,7 +14,7 @@ function resolve(file) {
  }
  const numWorkers = require('os').cpus().length;
  -const isProd = process.env.NODE_ENV === 'production';
  +const isProd = process.env.NODE_ENV === 'production' || argv.production;
  const buildDir = process.env.BUNDLE_DIR || resolve(path.join('..', 'build'));
  if (cluster.isMaster) {
  @@ -54,6 +54,7 @@ if (cluster.isMaster) {
  clientManifest,
  });
  + // If testing ssr prod build locally, remove this if so that static assets are served properly.
  if (!isProd) {
  function serve(path) {
  return express.static(resolve(path), {
  