- name: Install PostgreSQL apt: name: postgresql state: present - name: Trust connections to PostgreSQL from Docker postgresql_pg_hba: dest: "{{ postgresql_config }}" contype: host databases: all users: all address: "172.16.0.0/12" method: trust register: postgresql_hba - name: Change PostgreSQL listen addresses postgresql_set: name: listen_addresses value: "{{ postgresql_listen }}" become: true become_user: postgres register: postgresql_config - name: Reload PostgreSQL service: name: postgresql state: reloaded when: postgresql_hba.changed and not postgresql_config.changed - name: Restart PostgreSQL service: name: postgresql state: restarted when: postgresql_config.changed