Fix loading issues and containerize app

Dockerfile

@@ -0,0 +1,22 @@
+FROM node:18-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Expose port
+EXPOSE 3000
+
+# Start the application
+CMD ["npm", "start"]