tox
doco up swh-idx-storage starts without failure [1]
[1]
```
$ grep swh-idx-storage -A3 $SWH_ENVIRONMENT_HOME/docker/docker-compose.override.yml
swh-idx-storage:
volumes:
- "$SWH_ENVIRONMENT_HOME/swh-indexer:/src/swh-indexer"
$ doco up swh-idx-storage
...
swh-idx-storage_1 | [2020-10-16 08:30:27 +0000] [1] [INFO] Starting gunicorn 20.0.4
swh-idx-storage_1 | [2020-10-16 08:30:27 +0000] [1] [DEBUG] Arbiter booted
swh-idx-storage_1 | [2020-10-16 08:30:27 +0000] [1] [INFO] Listening at: http://0.0.0.0:5007 (1)
...
```