feat: implement database setup with direct table creation and improved error handling

backend/Dockerfile

@@ -13,9 +13,7 @@ WORKDIR /app
 ENV NODE_ENV=production
 COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/dist ./dist
-# Copy migration SQL files (needed for runtime migrations)
-COPY --from=builder /app/src/db/migrations ./dist/db/migrations
 COPY package.json .
 EXPOSE 3000
-# Run migrations before starting the server
+# Run database setup before starting the server
 CMD ["sh", "-c", "mkdir -p /app/data && node dist/db/migrate.js && node dist/index.js"]