Use API

backend/.env.example

@@ -3,4 +3,8 @@ PORT=3001
 NODE_ENV=development
 
 # CORS Configuration
-FRONTEND_URL=*
+FRONTEND_URL=*
+
+# File Paths
+DATA_PATH=../fizika.json
+PICS_PATH=../pics

backend/README.md

@@ -56,8 +56,8 @@ A secure Node.js/Express backend for managing physics quiz questions and images
    ```
 
 4. **Access the admin interface:**
-   - Open http://localhost:3001/admin.html
-   - Default password: `admin123` (change this!)
+   - Open http://localhost:3001/
+   - No authentication required
 
 ### Local Development
 
@@ -169,7 +169,7 @@ The project includes a GitHub Actions workflow that:
 
 ## Admin Interface
 
-Access the admin interface at `/admin.html`:
+Access the admin interface at `/`:
 - **Questions Tab**: Add, edit, delete quiz questions
 - **Images Tab**: Upload and manage image files
 - **Responsive Design**: Works on desktop and mobile

backend/docker-compose.yml

@@ -11,6 +11,8 @@ services:
       - NODE_ENV=production
       - PORT=3001
       - FRONTEND_URL=${FRONTEND_URL:-*}
+      - DATA_PATH=${DATA_PATH:-/usr/src/app/fizika.json}
+      - PICS_PATH=${PICS_PATH:-/usr/src/app/pics}
     volumes:
       # Mount data files
       - ./fizika.json:/usr/src/app/fizika.json:ro
@@ -37,6 +39,8 @@ services:
       - NODE_ENV=development
       - PORT=3001
       - FRONTEND_URL=*
+      - DATA_PATH=/usr/src/app/fizika.json
+      - PICS_PATH=/usr/src/app/pics
     volumes:
       - ./backend:/usr/src/app
       - ./fizika.json:/usr/src/app/fizika.json

backend/server.js

@@ -15,16 +15,25 @@ app.use(cors({
   credentials: true
 }));
 
-app.use(express.json({ limit: '10mb' }));
+app.use(express.json({ limit: '100mb' }));
 app.use(express.static('public'));
 
 // File paths
-const DATA_PATH = path.join(__dirname, '../frontend/fizika.json');
-const PICS_PATH = path.join(__dirname, '../frontend/pics');
+const DATA_PATH = process.env.DATA_PATH || path.join(__dirname, '../fizika.json');
+const PICS_PATH = process.env.PICS_PATH || path.join(__dirname, '../pics');
 
 // Multer configuration for image uploads
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => {
+    cb(null, PICS_PATH);
+  },
+  filename: (req, file, cb) => {
+    cb(null, file.originalname);
+  }
+});
+
 const upload = multer({
-  dest: PICS_PATH,
+  storage: storage,
   limits: { fileSize: 5 * 1024 * 1024 }, // 5MB
   fileFilter: (req, file, cb) => {
     if (file.mimetype.startsWith('image/')) {
@@ -32,9 +41,6 @@ const upload = multer({
     } else {
       cb(new Error('Only images allowed'));
     }
-  },
-  filename: (req, file, cb) => {
-    cb(null, file.originalname);
   }
 });