diff --git a/inventory/group_vars/releng_compose_eln b/inventory/group_vars/releng_compose_eln
new file mode 100644
index 0000000000..2e89fff41e
--- /dev/null
+++ b/inventory/group_vars/releng_compose_eln
@@ -0,0 +1,28 @@
+---
+# common items for the releng-* boxes
+dns: 10.3.163.33
+host_group: releng_eln
+ipa_client_shell_groups:
+  - sysadmin-eln
+ipa_client_sudo_groups:
+  - sysadmin-eln
+ipa_host_group: releng-compose-eln
+ipa_host_group_desc: Hosts running composes for eln
+# for kojid config
+koji_server_url: "https://koji.fedoraproject.org/kojihub"
+koji_topurl: "https://kojipkgs.fedoraproject.org/"
+koji_weburl: "https://koji.fedoraproject.org/koji"
+kojihub_scheme: https
+kojihub_url: koji.fedoraproject.org/kojihub
+# For the mock config
+kojipkgs_url: kojipkgs.fedoraproject.org
+lvm_size: 100000
+max_mem_size: "{{ mem_size }}"
+mem_size: 131072
+nfs_mount_opts: "rw,hard,bg,intr,noatime,nodev,nosuid,sec=sys,nfsvers=4"
+nrpe_procs_crit: 1000
+# With 16 cpus, theres a bunch more kernel threads
+nrpe_procs_warn: 900
+num_cpus: 16
+primary_auth_source: ipa
+virt_install_command: "{{ virt_install_command_one_nic_unsafe }}"
diff --git a/inventory/host_vars/compose-eln01.iad2.fedoraproject.org b/inventory/host_vars/compose-eln01.iad2.fedoraproject.org
new file mode 100644
index 0000000000..3ece460425
--- /dev/null
+++ b/inventory/host_vars/compose-eln01.iad2.fedoraproject.org
@@ -0,0 +1,14 @@
+datacenter: iad2
+eth0_ipv4_gw: 10.3.169.254
+eth0_ipv4_ip: 10.3.169.125
+# eln is never frozen, the compose box should not be so we can make needed changes
+freezes: false
+koji_hub_nfs: "fedora_koji"
+kojihub_scheme: https
+kojihub_url: koji.fedoraproject.org/kojihub
+kojipkgs_url: kojipkgs.fedoraproject.org
+ks_repo: https://infrastructure.fedoraproject.org/pub/fedora/linux/releases/40/Server/x86_64/os/
+ks_url: https://infrastructure.fedoraproject.org/repo/rhel/ks/kvm-fedora
+virt_install_command: "{{ virt_install_command_one_nic_unsafe }}"
+vmhost: bvmhost-x86-05.iad2.fedoraproject.org
+volgroup: /dev/vg_guests