tweaks for ansible regarding latitude

ansible/inventory/group_vars/all.yml

@@ -1,6 +1,6 @@
 ---
 # Domain to provision
-domain_name: ttl.sh
+domain_name: "staging.ttl.sh"
 
 # Compute zone name from domain (ttl.sh)
 zone_name: "ttl.sh"

ansible/inventory/hosts

@@ -1,4 +1,4 @@
 [ttlsh]
 # Address is not hardcoded here - it comes from the LATITUDESH_VM_IP Doppler
 # secret, passed in as ansible_host by ansible.sh / the deploy workflow.
-ttlsh-vm ansible_user=root
+ttlsh-vm ansible_user=ubuntu ansible_ssh_private_key_file=~/.ssh/latitude