move zammad internal backups to compose overwrite

.env.sample

@@ -7,6 +7,7 @@ TIMEOUT=600
 #EXTRA_DOMAINS=', `www.zammad.example.com`'
 
 LETS_ENCRYPT_ENV=production
+COMPOSE_FILE="compose.yml"
 
 SECRET_DB_PASSWORD_VERSION=v1
 SECRET_SMTP_PASSWORD_VERSION=v1
@@ -28,3 +29,9 @@ SMTP_PORT=465
 #SSO_PROVIDER_DOMAIN=authentik.example.com
 #IDP_SSO_TARGET_URL=https://authentik.example.com/application/saml/zammad/sso/binding/init/
 #IDP_SLO_SERVICE_URL=https://authentik.example.com/application/saml/zammad/slo/binding/redirect/
+
+
+## Zammad internal backups
+# COMPOSE_FILE="$COMPOSE_FILE:compose.backup.yml"
+# BACKUP_TIME=03:00"
+# HOLD_DAYS=10

compose.backup.yml

@@ -0,0 +1,36 @@
+version: "3.8"
+services:
+  zammad-backup:
+    image: ghcr.io/zammad/zammad:6.3.1-95
+    command: ["zammad-backup"]
+    volumes:
+      - zammad-backup:/var/tmp/zammad
+      - zammad-storage:/opt/zammad/storage:ro
+    user: 0:0
+    deploy:
+      labels:
+        backupbot.backup.volumes.zammad-backup: "false"
+      restart_policy:
+        condition: on-failure
+    environment:
+      POSTGRESQL_DB: zammad_production
+      POSTGRESQL_HOST: zammad-postgresql
+      POSTGRESQL_USER: zammad
+      POSTGRESQL_PASS_FILE: /run/secrets/db_password
+      POSTGRESQL_PORT: 5432
+      # Backup settings
+      BACKUP_DIR: "/var/tmp/zammad"
+      BACKUP_TIME: "${BACKUP_TIME:-03:00}"
+      #BACKUP_SLEEP: 86400
+      HOLD_DAYS: 10
+      DOMAIN:
+    entrypoint: /custom-entrypoint.sh
+    configs:
+        - source: entrypoint
+          target: /custom-entrypoint.sh
+          mode: 0555
+    secrets:
+      - db_password
+
+volumes:
+  zammad-backup:

compose.yml

@@ -13,11 +13,6 @@ x-shared:
       POSTGRESQL_OPTIONS: ?pool=50
       POSTGRESQL_DB_CREATE:
       REDIS_URL: redis://zammad-redis:6379
-      # Backup settings
-      BACKUP_DIR: "/var/tmp/zammad"
-      BACKUP_TIME: "${BACKUP_TIME:-03:00}"
-      #BACKUP_SLEEP: 86400
-      HOLD_DAYS: 10
       TZ: "${TZ:-Europe/Berlin}"
       # Allow passing in these variables via .env:
       AUTOWIZARD_JSON:
@@ -71,18 +66,6 @@ x-shared:
       - admin_password
 
 services:
-  zammad-backup:
-    <<: *zammad-service
-    command: ["zammad-backup"]
-    volumes:
-      - zammad-backup:/var/tmp/zammad
-      - zammad-storage:/opt/zammad/storage:ro
-    user: 0:0
-    deploy:
-      labels:
-        - "backupbot.backup=true"
-        - "backupbot.backup.path=/var/tmp/zammad"
-
   zammad-elasticsearch:
     image: bitnami/elasticsearch:8.14.3
     deploy:
@@ -167,8 +150,6 @@ services:
         condition: on-failure
     volumes:
       - postgresql-data:/var/lib/postgresql/data
-     # Backup Restore
-     #- zammad-backup:/var/tmp/zammad:ro
     secrets:
       - db_password
     healthcheck:
@@ -227,7 +208,6 @@ volumes:
   elasticsearch-data:
   postgresql-data:
   redis-data:
-  zammad-backup:
   zammad-storage:
 
 networks: