compose update not working if using php8 (xxx in the lock file but not in remote repositories ,...)

I've a composer project (magento 2, upgraded from php7 to php 8), if now i use php 8 (inside docker) run "composer udpate", it will shows

Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Root composer.json requires mobiledetect/mobiledetectlib 2.8.39, found mobiledetect/mobiledetectlib[2.8.39] in the lock file but not in remote repositories, mak                 e sure you avoid updating this package to keep the one from the lock file.
  Problem 2
    - Root composer.json requires magento/composer-root-update-plugin 2.0.2 -> satisfiable by magento/composer-root-update-plugin[2.0.2].
    - magento/composer-root-update-plugin 2.0.2 requires composer/composer ^1.0 || ^2.0 -> found composer/composer[2.2.18] in the lock file but not in remote reposito                 ries, make sure you avoid updating this package to keep the one from the lock file.
  Problem 3
    - Root composer.json requires magento/ece-tools ^2002.1.11 -> satisfiable by magento/ece-tools[2002.1.11, 2002.1.12].
    - magento/ece-tools[2002.1.11, ..., 2002.1.12] require colinmollenhour/credis ^1.6.0 -> found colinmollenhour/credis[v1.13.0] in the lock file but not in remote r                 epositories, make sure you avoid updating this package to keep the one from the lock file.
  Problem 4
    - Root composer.json requires magento/magento-cloud-metapackage >=2.4.5 <2.4.6 -> satisfiable by magento/magento-cloud-metapackage[2.4.5].
    - magento/magento-cloud-metapackage 2.4.5 requires fastly/magento2 ^1.2.34 -> found fastly/magento2[1.2.187] in the lock file but not in remote repositories, make                  sure you avoid updating this package to keep the one from the lock file.

But it will work fine in php7.4(inside docker), do anyone know what's the problem?

More info: docker info

php72:
    container_name: web_php
    image: webmaketech/php74
    build: ./php72
    volumes:
      - ./src:/var/www
      - ./php72/php.ini:/usr/local/etc/php/php.ini
      - ./php72/php-fpm.conf:/usr/local/etc/php-fpm.d/www.conf
php810:
    container_name: web_php_810
    image: webmaketech/php810
    build: ./php810
    volumes:
      - ./src:/var/www
      - ./php810/php.ini:/usr/local/etc/php/php.ini
      - ./php810/php-fpm.conf:/usr/local/etc/php-fpm.d/www.conf