diff --git a/ansible/host_vars/dev-gateway0/vars.yml b/ansible/host_vars/dev-gateway0/vars.yml
index e69de29..59200b2 100644
--- a/ansible/host_vars/dev-gateway0/vars.yml
+++ b/ansible/host_vars/dev-gateway0/vars.yml
@@ -0,0 +1,3 @@
+---
+sshwifty_hostname: "0.0.0.0"
+mongo_group_id: 0
diff --git a/ansible/host_vars/dev-gateway1/vars.yml b/ansible/host_vars/dev-gateway1/vars.yml
index e69de29..fe5ae14 100644
--- a/ansible/host_vars/dev-gateway1/vars.yml
+++ b/ansible/host_vars/dev-gateway1/vars.yml
@@ -0,0 +1,3 @@
+---
+sshwifty_hostname: "0.0.0.0"
+mongo_group_id: 1
diff --git a/ansible/tasks/setup_base.yml b/ansible/tasks/setup_base.yml
index d6248d2..1daf0cc 100644
--- a/ansible/tasks/setup_base.yml
+++ b/ansible/tasks/setup_base.yml
@@ -3,8 +3,8 @@
 - name: "Sync time - first try (needed by apt)"
   ansible.builtin.shell:
     cmd: hash ntpdate 2>/dev/null && ntpdate 0.debian.pool.ntp.org
+  changed_when: 'False'
   ignore_errors: 'yes'
-  no_log: 'yes'
 
 - name: Install required system packages
   ansible.builtin.apt:
diff --git a/ansible/tasks/setup_docker.yml b/ansible/tasks/setup_docker.yml
index bfa466f..c0a6fbc 100644
--- a/ansible/tasks/setup_docker.yml
+++ b/ansible/tasks/setup_docker.yml
@@ -34,6 +34,7 @@
 - name: Get DEB architecture
   shell: dpkg --print-architecture
   register: deb_architecture
+  changed_when: 'False'
 
 - name: Add repository into sources list
   ansible.builtin.apt_repository:
diff --git a/ansible/tasks/setup_sshaccess.yml b/ansible/tasks/setup_sshaccess.yml
index c60b498..1824914 100644
--- a/ansible/tasks/setup_sshaccess.yml
+++ b/ansible/tasks/setup_sshaccess.yml
@@ -1,7 +1,7 @@
 ---
 # Password needs to be encrypted. Use the following command to change password
 # python3 -c 'import crypt,getpass;pw=getpass.getpass();print(crypt.crypt(pw) if (pw==getpass.getpass("Confirm: ")) else exit())'
-- name: Add the user 'debian'
+- name: "Add the user '{{ sshwifty_ssh_user }}'"
   ansible.builtin.user:
     name: "{{ sshwifty_ssh_user }}"
     password: "{{ sshwifty_ssh_password | password_hash('sha512') }}"
diff --git a/ansible/tasks/setup_sshwifty.yml b/ansible/tasks/setup_sshwifty.yml
index ff1de58..6ebb9c0 100644
--- a/ansible/tasks/setup_sshwifty.yml
+++ b/ansible/tasks/setup_sshwifty.yml
@@ -12,16 +12,24 @@
     state: directory
 
 - name: Scan SSH keys
-  command: "ssh-keyscan {{item}}"
+  shell: "ssh-keyscan -t ed25519 {{ hostvars[item]['ansible_facts']['default_ipv4']['address'] }} 2>/dev/null | ssh-keygen -lf - |cut -f2 -d' '"
   register: "host_keys"
   changed_when: false
-  with_items: groups["role_mongos"]
+  with_items: "{{ groups['role_mongo'] }}"
+
+- debug:
+    msg: "item.item={{ item.item }}, item.stdout={{ item.stdout }}"
+  with_items: "{{ host_keys.results }}"
 
 - name: Deploy SSHwifty configuration
   template:
     src: templates/sshwifty.conf.j2
     dest: "{{ sshwifty_configuration_directory }}/sshwifty.conf"
 
+# - name: Debug
+#   fail: "msg=STOP"
+#   when: "True"
+
 - name: Create SSHwifty directory
   file:
     path: "{{ sshwifty_work_directory }}"
diff --git a/ansible/templates/Caddyfile.j2 b/ansible/templates/Caddyfile.j2
index 80c1be1..06481c3 100644
--- a/ansible/templates/Caddyfile.j2
+++ b/ansible/templates/Caddyfile.j2
@@ -1,4 +1,4 @@
-{{ sshwifty_hostname }}:{{ sshwifty_public_port }} {
+{% if sshwifty_hostname != "0.0.0.0" %}{{ sshwifty_hostname }}{% endif %}:{{ sshwifty_public_port }} {
   log
 
   reverse_proxy localhost:{{ sshwifty_internal_port }} {