Update Dockerfile to include template files in the build process

- Added a line to copy template files from the build stage to the final image, ensuring that necessary templates are available in the application directory.

Dockerfile

@@ -21,6 +21,7 @@ WORKDIR /app
 # Copy necessary files
 COPY --from=deps /app/node_modules ./node_modules
 COPY --from=build /app/dist ./dist
+COPY --from=build /app/src/templates ./src/templates
 COPY --from=build /app/server.js ./server.js
 COPY --from=build /app/package.json ./package.json
 COPY --from=build /app/.env ./.env