feat: Update Docker entrypoint scripts to create admin account on container startup

Dockerfile

@@ -32,11 +32,12 @@ COPY . .
 # Build the application for production
 RUN npm run build
 
-# Create the default admin account
-RUN node scripts/create-admin.js
+# Copy the entrypoint script
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
 
 # Expose the default Next.js port
 EXPOSE 3000
 
-# Start the production server
-CMD ["npm", "start"]
+# Use the entrypoint script
+ENTRYPOINT ["/docker-entrypoint.sh"]