for local development:
create 'backend.env' and set:
ALGO_APPLICATION_ID=
ALGOLIA_KEY=
ALLOWED_HOSTS=
DEBUG=
LIARA_ACCESS_KEY=
LIARA_BUCKET_NAME=
LIARA_ENDPOINT=
SECRET_KEY=
create 'postgres.env' and set :
DB_URL=postgresql://user:password@postgres:5432/db_name
if using docker:
POSTGRES_USER=
POSTGRES_PASSWORD=
POSTGRES_DB=