Do not timeout after 10s

modules/createServer.js

@@ -71,21 +71,21 @@ function createServer(publicDir, statsFile) {
   // Heroku dynos automatically timeout after 30s. Set our
   // own timeout here to force sockets to close before that.
   // https://devcenter.heroku.com/articles/request-timeout
-  server.setTimeout(25000, socket => {
-    const message = `Timeout of 25 seconds exceeded`;
+  // server.setTimeout(25000, socket => {
+  //   const message = `Timeout of 25 seconds exceeded`;
 
-    socket.end(
-      [
-        "HTTP/1.1 503 Service Unavailable",
-        "Date: " + new Date().toGMTString(),
-        "Content-Length: " + Buffer.byteLength(message),
-        "Content-Type: text/plain",
-        "Connection: close",
-        "",
-        message
-      ].join("\r\n")
-    );
-  });
+  //   socket.end(
+  //     [
+  //       "HTTP/1.1 503 Service Unavailable",
+  //       "Date: " + new Date().toGMTString(),
+  //       "Content-Length: " + Buffer.byteLength(message),
+  //       "Content-Type: text/plain",
+  //       "Connection: close",
+  //       "",
+  //       message
+  //     ].join("\r\n")
+  //   );
+  // });
 
   return server;
 }

server.js

@@ -27,13 +27,15 @@ function startServer(id) {
       serverConfig.port
     );
   });
-
-  server.timeout = 10000;
 }
 
 throng({
   workers: process.env.WEB_CONCURRENCY || 1,
+  start: startServer,
   lifetime: Infinity,
-  grace: 11000,
-  start: startServer
+
+  // Heroku shuts down processes forcefully after 30 seconds,
+  // so make sure we exit before that happens.
+  // https://devcenter.heroku.com/articles/dynos#shutdown
+  grace: 25000
 });