Genarito

# Backup the data. Taken from https://stackoverflow.com/a/67568671/7058363
docker volume create --name backup_volume

docker container run --rm -it -v [old volume]:/from -v backup_volume:/to alpine ash -c "cd /from ; cp -av . /to"

# Export Postgres data
docker exec -t [name of DB container] pg_dump [db name] | gzip > exported_postgres_data.sql.gz

# MANUAL: stop the Docker container to which the volume is attached...

Genarito

from django import template
from django.contrib.staticfiles.finders import find as find_static_file
import base64

register = template.Library()


def get_file_data(file_path: str) -> bytes:
    """
    @param file_path: Path of the file to get the data