Add initial backup support

compose.yml

@@ -11,7 +11,7 @@ services:
       - DB_PORT=3306
       - DB_NAME=akaunting
       - DB_USERNAME=admin
-      - DB_PREFIX=asd_
+      - DB_PREFIX=akt_
     deploy:
       restart_policy:
         condition: on-failure
@@ -65,6 +65,11 @@ services:
     secrets:
       - mysql_password
       - mysql_root_password
+    labels:
+      backupbot.backup: "${ENABLE_BACKUPS:-true}"
+      backupbot.backup.pre-hook: "mariadb-dump --single-transaction -u root -p\"$$(cat /run/secrets/mysql_root_password)\" akaunting | gzip > /var/lib/mysql/dump.sql.gz"
+      backupbot.backup.volumes.akaunting-db.path: "dump.sql.gz"
+      backupbot.restore.post-hook: "gzip -d /var/lib/mysql/dump.sql.gz && mariadb -u root -p\"$$(cat /run/secrets/mysql_root_password)\" akaunting < /var/lib/mysql/dump.sql && rm -f /var/lib/mysql/dump.sql"
 
 volumes:
   akaunting-db: