update: load index.html file 1/4 #3

server/config.js

@@ -0,0 +1,16 @@
+import path from 'path';
+import process from 'process';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const dir_path = path.join(__dirname, process.env.DIRNAME || '../front/build');
+const file_path = path.join(dir_path, process.env.FILENAME || 'index.html');
+
+const config = {
+  PORT: process.env.PORT || 8000,
+  DIR_PATH: dir_path,
+  FILE_PATH: file_path
+};
+
+export default config;

server/server.js

@@ -1,18 +1,16 @@
 import express from 'express';
 import { createServer } from 'node:http';
-import { fileURLToPath } from 'node:url';
-import { dirname, join } from 'node:path';
 import { Server } from 'socket.io';
+import config from './config.js';
 
 const app = express();
 const server = createServer(app);
 const io = new Server(server);
-const port = 8000;
 
-const __dirname = dirname(fileURLToPath(import.meta.url));
+app.use(express.static(config.DIR_PATH));
 
 app.get('/', (req, res) => {
-  res.sendFile(join(__dirname, 'index.html'));
+  res.sendFile(config.FILE_PATH);
 });
 
 io.on('connection', (socket) => {
@@ -22,6 +20,6 @@ io.on('connection', (socket) => {
   });
 });
 
-server.listen(port, () => {
-  console.log(`server running at http://localhost:${port}`);
+server.listen(config.PORT, () => {
+  console.log(`server running at http://localhost:${config.PORT}`);
 });