- name: Install Certbot apt: name: certbot state: present - name: Install Certbot Nginx Plugin apt: name: python3-certbot-nginx state: present - name: Create TLS certificate become: yes become_user: root command: certbot certonly --rsa-key-size 2048 -d {{ server_name }} -d element.{{ server_name }} -d turn.{{ server_name }} --agree-tos --non-interactive --email {{ matrix_admin_email }} --nginx - name: Setup SSL Auto-renewal become: yes become_user: root cron: name: certbot renew minute: 0 hour: 0 day: 1 month: '*' weekday: '*' job: certbot renew --rsa-key-size 2048 --quiet --post-hook "systemctl reload nginx" - name: Create Diffie-Hellman key become: yes become_user: root command: cmd: openssl dhparam -out /etc/letsencrypt/live/{{ server_name }}/dhparam2048.pem 2048 creates: /etc/letsencrypt/live/{{ server_name }}/dhparam2048.pem