Fix production dependencies and Docker configuration

Dockerfile

@@ -32,11 +32,11 @@ FROM node:18-alpine
 # Set working directory
 WORKDIR /app
 
-# Copy package files
-COPY backend/package*.json ./
-
-# Install production dependencies only
+# Copy package files and install dependencies
+COPY package*.json ./
+COPY backend/package*.json ./backend/
 RUN npm install --production
+RUN cd backend && npm install --production
 
 # Copy built files from builder stage
 COPY --from=builder /app/backend/dist ./dist
@@ -50,4 +50,4 @@ RUN mkdir -p uploads/wallpapers
 EXPOSE 3000
 
 # Start the application
-CMD ["npm", "start"] 
+CMD ["node", "dist/index.js"] 

package.json

@@ -14,13 +14,15 @@
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
     "sqlite3": "^5.1.7",
-    "sqlite": "^5.0.3"
+    "sqlite": "^5.0.3",
+    "multer": "^1.4.5-lts.1"
   },
   "devDependencies": {
     "@types/express": "^4.17.17",
     "@types/node": "^20.8.2",
     "@types/cors": "^2.8.13",
     "@types/sqlite3": "^3.1.11",
+    "@types/multer": "^1.4.7",
     "ts-node-dev": "^2.0.0",
     "typescript": "^4.9.5",
     "jest": "^29.7.0",