Glossary: Cloud Deployment

Host addresses (127.0.0.1, 0.0.0.0)

Also written: 0.0.0.0, 127.0.0.1, localhost

`0.0.0.0` means 'listen on every network interface', which a container needs so the host can reach it. `127.0.0.1` (localhost) accepts connections only from inside the same machine or container.