Docker Build Cannot Download Repomd.xml __top__ -

: If you are behind a corporate firewall, pass your proxy as a build argument: --build-arg http_proxy=http://your-proxy:port .

Docker CE Stable - x86_64 Repo not available : HTTPS Error 404 docker build cannot download repomd.xml

The error during a docker build typically occurs when the yum or dnf package manager inside a container cannot reach its configured repositories. This metadata file is the entry point for RPM-based distributions (like CentOS, RHEL, or Fedora) to understand what packages are available. Quick Fix Summary If you are in a rush, try these three most common fixes: : If you are behind a corporate firewall,

Docker containers often fail to resolve domain names (like mirror.centos.org ) even if the host machine has internet access. Docker Community Forums docker build cannot download repomd.xml