Add backups for gitea

files/gitea/docker-compose.yml.j2

@@ -1,6 +1,6 @@
 services:
 
-  server:
+  gitea_web_app:
     image: gitea/gitea:1.22.6
     restart: unless-stopped
     container_name: gitea_web_app
@@ -10,6 +10,7 @@ services:
       - "GITEA__server__SSH_PORT=2222"
     volumes:
       - ./data:/data
+      - ./backups:/backups
       - /etc/timezone:/etc/timezone:ro
       - /etc/localtime:/etc/localtime:ro
     ports:

files/gitea/gitea-dump.sh.j2

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -eu
+set -o pipefail
+
+echo "Gitea: backup data with gitea dump"
+
+(cd {{ base_dir }} && docker compose exec -u "{{ user_create_result.uid }}:{{ user_create_result.group }}" -w /backups gitea_web_app gitea dump -c /data/gitea/conf/app.ini)
+
+
+echo "Gitea: remove old backups"
+
+keep-files.py {{ backups_dir }} --keep 2