- name: Install MariaDB ansible.builtin.apt: name: mariadb-server state: present - name: Set MariaDB restarted fact set_fact: mariadb_restarted: false - name: Regather facts for the potentially new docker0 interface ansible.builtin.setup: - name: Change the bind-address to allow from docker0 ansible.builtin.lineinfile: path: /etc/mysql/mariadb.conf.d/50-server.cnf regex: "^bind-address" line: "bind-address = {{ ansible_facts.docker0.ipv4.address }}" notify: restart_mariadb - name: Allow database connections from Docker community.general.ufw: rule: allow port: "3306" proto: tcp src: "{{ item }}" loop: "{{ mariadb_trust | default(['172.16.0.0/12']) }}"