feat: add NORTHWIND_WS_URL env var

Author: nodkz

config.js

@@ -3,8 +3,8 @@
 import path from 'path';
 import fs from 'fs';
 
-export const expressPort = process.env.PORT || 3000;
-export const mongoUri =
+export const PORT = process.env.PORT || 3000;
+export const MONGODB_URI =
   process.env.MONGODB_URI || 'mongodb://localhost:27017/graphql-compose-mongoose';
 export const examplesPath = './examples';
 

index.js

@@ -10,7 +10,7 @@ import http from 'http';
 import { SubscriptionServer } from 'subscriptions-transport-ws';
 import { execute, subscribe } from 'graphql';
 import { mainPage, addToMainPage } from './mainPage';
-import { expressPort, getExampleNames, resolveExamplePath } from './config';
+import { PORT, getExampleNames, resolveExamplePath } from './config';
 import './mongooseConnection';
 
 const app = express();
@@ -34,8 +34,8 @@ app.get('/', (req, res) => {
   res.send(mainPage());
 });
 
-httpServer.listen(expressPort, () => {
-  console.log(`🚀🚀🚀 The server is running at http://localhost:${expressPort}/`);
+httpServer.listen(PORT, () => {
+  console.log(`🚀🚀🚀 The server is running at http://localhost:${PORT}/`);
 
   // https://www.apollographql.com/docs/graphql-subscriptions/setup/
   SubscriptionServer.create(
@@ -52,7 +52,7 @@ httpServer.listen(expressPort, () => {
     },
     {
       server: httpServer,
-      path: '/northwind',
+      path: process.env.NORTHWIND_WS_URL || `ws://localhost:${PORT}/northwind`,
     }
   );
 });

mongooseConnection.js

@@ -1,7 +1,7 @@
 /* @flow */
 
 import mongoose from 'mongoose';
-import { mongoUri } from './config';
+import { MONGODB_URI } from './config';
 
 mongoose.Promise = Promise;
 
@@ -14,18 +14,18 @@ const opts = {
   useFindAndModify: false,
 };
 
-mongoose.connect(mongoUri, opts);
+mongoose.connect(MONGODB_URI, opts);
 
 export const { connection } = mongoose;
 connection.on('error', (e) => {
   if (e.message.code === 'ETIMEDOUT') {
     console.log(e);
-    mongoose.connect(mongoUri, opts);
+    mongoose.connect(MONGODB_URI, opts);
   }
   console.log(e);
 });
 connection.on('connected', () => {
-  console.log(`MongoDB successfully connected to ${mongoUri}`);
+  console.log(`MongoDB successfully connected to ${MONGODB_URI}`);
 });
 connection.on('reconnected', () => {
   console.log('MongoDB reconnected!');

scripts/seedHelpers.js

@@ -4,7 +4,7 @@
 
 import { MongoClient } from 'mongodb';
 import fs from 'fs';
-import { getExampleNames, resolveExamplePath, mongoUri } from '../config';
+import { getExampleNames, resolveExamplePath, MONGODB_URI } from '../config';
 
 function getDBName(uri: string) {
   const m = uri.match(/\d{5}\/([a-z0-9_-]{1,})/i);
@@ -17,8 +17,8 @@ let db;
 
 async function mongoConnect() {
   if (!db) {
-    con = await MongoClient.connect(mongoUri, { useNewUrlParser: true });
-    db = con.db(getDBName(mongoUri));
+    con = await MongoClient.connect(MONGODB_URI, { useNewUrlParser: true });
+    db = con.db(getDBName(MONGODB_URI));
   }
   return db;
 }