old_contents: #!/usr/bin/env node
  var prerender = require('./lib');
  
  var server = prerender({
      workers: process.env.PRERENDER_NUM_WORKERS || 1,
      iterations: process.env.PRERENDER_NUM_ITERATIONS || 1
  });
  
  
  server.use(prerender.sendPrerenderHeader());
  // server.use(prerender.basicAuth());
  // server.use(prerender.whitelist());
  server.use(prerender.blacklist());
  // server.use(prerender.logger());
  server.use(prerender.removeScriptTags());
  server.use(prerender.httpHeaders());
  server.use(prerender.inMemoryHtmlCache());
  // server.use(prerender.s3HtmlCache());
  server.start();
  
new_contents: #!/usr/bin/env node
  var prerender = require('./lib');
  
  // https://github.com/prerender/prerender#options
  var server = prerender({
      // workers: process.env.PRERENDER_NUM_WORKERS, // os.cpus().length
      // iterations: process.env.PRERENDER_NUM_ITERATIONS // 40
  });
  
  
  server.use(prerender.sendPrerenderHeader());
  // server.use(prerender.basicAuth());
  // server.use(prerender.whitelist());
  server.use(prerender.blacklist());
  // server.use(prerender.logger());
  server.use(prerender.removeScriptTags());
  server.use(prerender.httpHeaders());
  server.use(prerender.inMemoryHtmlCache());
  // server.use(prerender.s3HtmlCache());
  server.start();
  
subject: remove test option