**Related docs. issue(s):** https://github.com/tarantool/doc/issues/3847 **Product:** Tarantool **Since:** 3.0 **Root document:** https://www.tarantool.io/en/doc/latest/book/admin/start_stop_instance/ **SME:** @ Totktonada **Example** tt configuration structure: ``` └── instances.enabled └── app ├── config.yaml └── instances.yml ``` `config.yaml`: ``` credentials: users: replicator: password: 'topsecret' roles: [replication] client: password: 'secret' roles: [super] iproto: advertise: peer: replicator@ replication: failover: election groups: group-001: replicasets: replicaset-001: instances: instance-001: iproto: listen: 127.0.0.1:3301 instance-002: iproto: listen: 127.0.0.1:3302 instance-003: iproto: listen: 127.0.0.1:3303 ``` `instances.yaml`: ``` app.instance-001: app.instance-002: app.instance-003: ``` Run app: ``` tt start app ```