Add file upload server/container

scripts/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "upload-server",
+  "version": "1.0.0",
+  "main": "upload-server.js",
+  "scripts": {
+    "start": "node upload-server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "multer": "^1.4.5-lts.1",
+    "uuid": "^9.0.0"
+  }
+}

scripts/upload-server.js

@@ -0,0 +1,76 @@
+const express = require('express');
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+const { v4: uuidv4 } = require('uuid');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+const BASE_URL = process.env.BASE_URL || 'http://localhost:3000';
+const UPLOAD_DIR = process.env.UPLOAD_DIR || './uploads';
+const HASH_FILENAME = process.env.HASH_FILENAME === 'true';
+
+if (!fs.existsSync(UPLOAD_DIR)) {
+  fs.mkdirSync(UPLOAD_DIR, { recursive: true });
+}
+
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => {
+    cb(null, UPLOAD_DIR);
+  },
+  filename: (req, file, cb) => {
+    if (HASH_FILENAME) {
+      const ext = path.extname(file.originalname);
+      const filename = uuidv4() + ext;
+      cb(null, filename);
+    } else {
+      cb(null, file.originalname);
+    }
+  }
+});
+
+const upload = multer({ storage });
+
+app.post('/upload', upload.single('file'), (req, res) => {
+  if (!req.file) {
+    return res.status(400).json({ error: 'No file uploaded' });
+  }
+  
+  const fileUrl = `${BASE_URL}/files/${req.file.filename}`;
+  res.json({ url: fileUrl });
+});
+
+app.put('/files/:path(*)', upload.single('file'), (req, res) => {
+  const filePath = req.params.path;
+  
+  if (!req.file) {
+    return res.status(400).json({ error: 'No file uploaded' });
+  }
+  
+  const oldPath = req.file.path;
+  const newPath = path.join(UPLOAD_DIR, filePath);
+  
+  const dir = path.dirname(newPath);
+  if (!fs.existsSync(dir)) {
+    fs.mkdirSync(dir, { recursive: true });
+  }
+  
+  fs.renameSync(oldPath, newPath);
+  
+  const fileUrl = `${BASE_URL}/files/${filePath}`;
+  res.json({ url: fileUrl });
+});
+
+app.get('/files/:path(*)', (req, res) => {
+  const filePath = path.join(UPLOAD_DIR, req.params.path);
+  
+  if (!fs.existsSync(filePath)) {
+    return res.status(404).json({ error: 'File not found' });
+  }
+  
+  res.sendFile(path.resolve(filePath));
+});
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});