evgeni22385/proxmox-qdevice repository overview

Docker Image (Ubuntu) for Proxmox Corosync-d Service (Quorum)

root pass: evgeni22385

port open:
TCP 2222 - SSH
UDP 3121 - For multicast traffic for Proxmox clustering.
TCP 2224 - Used by Pacemaker for the communication between cluster nodes (by default).
UDP 5404 This port is used for cluster communication between Proxmox nodes.
UDP 5405 This port is used for corosync membership and other cluster-related traffic.
TCP 8006 - Proxmox web interface.

please configure /etc/corosync/corosync.conf before use container
cluster_name: my_cluster
bindnetaddr: 192.168.1.0 # Network address (adjust as needed)
mcastaddr: 226.94.1.1 # Multicast address
ring0_addr: node1.local # Replace with Node 1's hostname/IP
ring0_addr: node2.local # Replace with Node 2's hostname/IP

and start this services:
service corosync start
service pacemaker start