## .env
```
POSTGRESQL_SRV=postgres://user:pass@server:5432/YaBL?sslmode=disable
BASE_PATH=/path/to/lib
BIND_ADDR=0.0.0.0:8080
WHITELIST_FILE=whitelist_books.txt
```
## whitelist
run with arg `--authors-whitelist whitelist_authors_file.txt` to generate whitelist file