message: Allow overriding the path to look for the bundle files
diff: @@ -15,6 +15,7 @@ function resolve(file) {
  const numWorkers = require('os').cpus().length;
  const isProd = process.env.NODE_ENV === 'production';
  +const buildDir = process.env.BUNDLE_DIR || resolve(path.join('..', 'build'));
  if (cluster.isMaster) {
  console.log(`Master ${process.pid} is running`);
  @@ -32,8 +33,8 @@ if (cluster.isMaster) {
  console.log(`Worker ${process.pid} started`);
  const section = argv.section || 'app';
  - const serverBuildPath = resolve(isProd ? '../build/prod-server/' : '../build/dev-server/');
  - const clientBuildPath = resolve(isProd ? '../build/prod/' : '../build/dev/');
  + const serverBuildPath = path.join(buildDir, isProd ? 'prod-server' : 'dev-server');
  + const clientBuildPath = path.join(buildDir, isProd ? 'prod' : 'dev');
  const serverBundle = require(path.join(
  serverBuildPath,
  