Merge pull request 'Database backups' (#21) from amras/hometown:backups into main

Reviewed-on: #21
Reviewed-by: decentral1se <decentral1se@noreply.git.coopcloud.tech>

compose.yml

@@ -189,6 +189,14 @@ services:
       - POSTGRES_DB=${DB_NAME}
       - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
       - POSTGRES_USER=${DB_USER}
+    deploy:
+      labels:
+        - "backupbot.backup=true"
+        - "backupbot.backup.pre-hook=sh -c \"mkdir -p /var/backup/hometown; /usr/local/bin/pg_dump -Fc -U ${DB_USER} ${DB_NAME} > /var/backup/hometown/backupbot.dump\""
+        - "backupbot.backup.path=/var/backup/hometown"
+        - "backupbot.backup.post-hook=rm -f /var/backup/hometown/backupbot.dump"
+        - "backupbot.restore.post-hook=sh -c \"/usr/local/bin/pg_restore -U ${DB_USER} -d ${DB_NAME} -1 /var/backup/hometown/backupbot.dump\""
+
 
   redis:
     image: redis:7.2-alpine