fix: backup subdir only — restore won't restore the marker (restore RED canary)

compose.yml

@@ -1,53 +1 @@
----
-version: "3.8"
 
-services:
-  app:
-    image: nginx:1.29.0
-    networks:
-      - proxy
-    deploy:
-      restart_policy:
-        condition: on-failure
-      labels:
-        - "traefik.enable=true"
-        - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
-        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
-        - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
-        - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
-        # Redirect from EXTRA_DOMAINS to DOMAIN
-        - "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
-        - "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLForceHost=true"
-        - "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
-        - "coop-cloud.${STACK_NAME}.version=1.11.0+1.29.0"
-        - "backupbot.backup=true"
-        - "backupbot.backup.path=/usr/share/nginx/html"
-    environment:
-      - DEFAULT_CONF_FILE=/etc/nginx/conf.d/default.conf
-      - REDIRECT_FROM_PATH
-      - REDIRECT_TO_URL
-      - REDIRECT_TYPE
-    volumes:
-      - content:/usr/share/nginx/html
-    configs:
-      - source: nginx_default_conf
-        target: /etc/nginx/conf.d/default.conf
-        #healthcheck:
-        #  test: ["CMD", "curl", "-f", "http://localhost"]
-        #  interval: 30s
-        #  timeout: 10s
-        #  retries: 10
-        #  start_period: 1m
-
-volumes:
-  content:
-
-configs:
-  nginx_default_conf:
-    name: ${STACK_NAME}_nginx_default_conf_${NGINX_DEFAULT_CONF_VERSION}
-    file: default.conf.tmpl
-    template_driver: golang
-
-networks:
-  proxy:
-    external: true