refactor: regroup web/garage servers when possible

production.yml

@@ -37,9 +37,7 @@ resticservers:
       restic_backup_path:
         - /etc
         - /var/lib/transmission-daemon
-    web1.dmz.mateu.be:
-    web2.dmz.mateu.be:
-    web3.dmz.mateu.be:
+    web[1:3].dmz.mateu.be:
     es1.dmz.mateu.be:
     pt1.dmz.mateu.be:
     mail.dmz.mateu.be:
@@ -88,9 +86,7 @@ garageservers:
   children:
     garage_prd_cluster:
       hosts:
-        garage1.dmz.mateu.be:
-        garage2.dmz.mateu.be:
-        garage3.dmz.mateu.be:
+        garage[1:3].dmz.mateu.be:
         garagegw1.dmz.mateu.be:
 
 elasticsearchservers:
@@ -185,9 +181,7 @@ phpservers:
     web1.dmz.mateu.be:
       php_modules: ['opcache', 'mysql', 'mbstring', 'gd', 'intl', 'curl', 'gettext', 'imap', 'zip', 'apcu']
       php_memory_limit: "512M"
-    web2.dmz.mateu.be:
-      php_modules: ['opcache', 'mysql', 'mbstring', 'gd', 'xml', 'bcmath', 'curl', 'imagick']
-    web3.dmz.mateu.be:
+    web[2:3].dmz.mateu.be:
       php_modules: ['opcache', 'mysql', 'mbstring', 'gd', 'xml', 'bcmath', 'curl', 'imagick']
 
 dockerservers:
@@ -196,9 +190,7 @@ dockerservers:
 
 mariadbservers:
   hosts:
-    web1.dmz.mateu.be:
-    web2.dmz.mateu.be:
-    web3.dmz.mateu.be:
+    web[1:3].dmz.mateu.be:
 
 pgsqlservers:
   hosts: