use certbot plugin for apache

tasks/configure_certificate.yml

@@ -1,19 +1,16 @@
 ---
-- name: Stop Apache
-  service:
-    name: apache2
-    state: stopped
+- name: Ensure certbot software is installed
+  package:
+    name:
+      - certbot
+      - python3-certbot-apache
+    state: latest
 
 - name: Ensure SSL certificate exists
-  shell: "certbot certonly --agree-tos --email certs@susurrando.com -n --standalone -d {{ item.vhostname }}"
+  shell: "certbot certonly --agree-tos --email certs@susurrando.com -n --apache -d {{ item.vhostname }}"
   args:
     creates: "/etc/letsencrypt/archive/{{ item.vhostname }}"
   when:
     - "'ssl' in item"
     - item['ssl']
   loop: "{{ vhosts }}"
-
-- name: Start Apache
-  service:
-    name: apache2
-    state: started