Add daily db backup

tasks/keycloak.yml

@@ -32,3 +32,14 @@
     src: vhost.conf
     dest: /etc/apache2/sites-available/{{ item.id }}.conf
   with_items: '{{ keycloak_settings }}'
+
+- name: Setup crontab for backups
+  cron:
+    name: Backup Keycloak DB {{ item.id }}
+    hour: 3
+    minute: 35
+    job: docker exec -it keycloak_postgres_1 /usr/lib/postgresql/11/bin/pg_dump --file=/tmp/backups/dump_$(date +"%m_%d_%Y").sql --username=keycloak > /dev/null 2>&1
+    disabled: '{{ crons_disabled|default(false) }}'
+  with_items: '{{ keycloak_settings }}'
+  tags:
+    - cron

templates/docker-compose.yml

@@ -9,6 +9,7 @@ services:
     image: postgres
     volumes:
       - postgres_data:/var/lib/postgresql/data
+      - /var/backups/keycloak/{{ item.id }}:/tmp/backups
     environment:
       POSTGRES_DB: keycloak
       POSTGRES_USER: keycloak