cat >/etc/yum.repos.d/fluent-bit.repo <<'REPO'
[fluent-bit]
name=Fluent Bit
baseurl=https://packages.fluentbit.io/rockylinux/$releasever/
gpgcheck=1
gpgkey=https://packages.fluentbit.io/fluentbit.key
repo_gpgcheck=1
enabled=1
REPO

dnf -y install fluent-bit