Apt retry mechanism

roles/dovecot/tasks/main.yml

@@ -2,6 +2,7 @@
 # Install and configure Dovecot
 - name: Install Dovecot
   apt:
+    update_cache: true
     name:
       - dovecot-core
       - dovecot-imapd
@@ -9,7 +10,9 @@
       - dovecot-lmtpd
       - dovecot-ldap
       - dovecot-pop3d
-    update_cache: true
+    register: apt_result
+    retries: 3
+    until: apt_result is succeeded
 
 # Create the vmail user with UID and GID 5000
 - name: Create vmail user