You can update the default CVAT template and adjust the following environment variables to change where CVAT data is stored.
CVAT_KEYS_DIR- Where the SSH keys will be installed
CVAT_STATIC_DIR- Where the CSS, JS, Images are stored.
CVAT_DATA_DIR- Where the tasks and annotations are stored
CVAT_MEDIA_DATA_DIR- Where the task images and uploads are stored
CVAT_SHARE_DIR- Where the file-syncer downloads and syncs files
CVAT_MODELS_DIR- Where the models used for annotations are stored
CVAT_LOGS_DIR- Where some of CVAT logs are stored
CVAT_MIGRATIONS_DIR- Where CVAT migrations are stored
CVAT_DATUMARO_DIR- Where datumaro is stored