[build-only] add Ceph repo for build

Author: glpatcern

docker/Dockerfile.revad-ceph

@@ -20,6 +20,7 @@ FROM cern/alma9-base
 
 RUN mkdir -p /etc/selinux/config
 
+COPY docker/ceph9el.repo /etc/yum.repos.d/
 RUN dnf update --exclude=ceph-iscsi,chrony -y && dnf install -y \
   git \
   gcc \

docker/ceph9el.repo

@@ -0,0 +1,7 @@
+[ceph-quincy-el9]
+name=Ceph Quincy EL9
+baseurl=http://linuxsoft.cern.ch/mirror/download.ceph.com/rpm-quincy/el9/x86_64
+enabled=1
+gpgcheck=True
+gpgkey=http://linuxsoft.cern.ch/mirror/download.ceph.com/release.asc
+priority=9