add basic database diagnostics after successful deployment

.gitlab-ci.yml

@@ -35,6 +35,14 @@ deploy_to_production:
     - ssh -p $SSH_PORT $SSH_USER@$SSH_HOST "/tmp/deploy_with_backup.sh"
     - echo "Checking deployment status"
     - ssh -p $SSH_PORT $SSH_USER@$SSH_HOST "cd customer-recall && docker compose ps"
+    - echo "Basic database check start"
+    - echo "Check MySQL container logs"
+    - ssh -p $SSH_PORT $SSH_USER@$SSH_HOST "cd customer-recall && docker compose logs --tail=5 mysql"
+    - echo "Check MySQL container environment"
+    - ssh -p $SSH_PORT $SSH_USER@$SSH_HOST "cd customer-recall && docker compose exec -T mysql env | grep -i mysql || echo 'Cannot get MySQL environment'"
+    - echo "Try database connection"
+    - ssh -p $SSH_PORT $SSH_USER@$SSH_HOST "cd customer-recall && docker compose exec -T mysql mysql -u root -pcallback_system_2024 -e 'SHOW DATABASES;' || echo 'Database connection failed'"
+    - echo "Basic database check end"
     - echo "Deployment completed successfully"
   only:
     - master