# Opt-in read-only photo mount. Set NAS_PHOTOS_DIR to the actual NAS folder. services: pigway-frame-flow: environment: PHOTO_ROOT: /photos group_add: - "${NAS_PHOTOS_GID:-10333}" volumes: - type: bind source: ${NAS_PHOTOS_DIR:?Set NAS_PHOTOS_DIR to your existing photo directory} target: /photos read_only: true bind: create_host_path: false