* The **database master-slave image** has been removed, after the latest `nacos/nacos-server:latest` image. For specific reasons, refer to [Removing the Master-Slave Image Configuration](https://github.com/nacos-group/nacos-docker/wiki/%E7%A7%BB%E9%99%A4%E6%95%B0%E6%8D%AE%E5%BA%93%E4%B8%BB%E4%BB%8E%E9%95%9C%E5%83%8F%E9%85%8D%E7%BD%AE)
* Since Nacos 1.3.1 version, the database storage has been upgraded to 8.0, and it is backward compatible
| NACOS_AUTH_SYSTEM_TYPE | The auth system to use, currently only 'nacos' is supported | default :nacos |
| NACOS_AUTH_ENABLE | If turn on auth system | default :false |
| NACOS_AUTH_TOKEN_EXPIRE_SECONDS | The token expiration in seconds | default :18000 |
| NACOS_AUTH_TOKEN | The default token | default :SecretKey012345678901234567890123456789012345678901234567890123456789 |
| NACOS_AUTH_CACHE_ENABLE | Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay. | default : false |
| MEMBER_LIST | Set the cluster list with a configuration file or command-line argument | eg:192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809 |
| EMBEDDED_STORAGE | Use embedded storage in cluster mode without mysql | `embedded` default : none |
If the above property configuration list does not meet your requirements, you can mount the `custom.properties` file into the `/home/nacos/init.d/` directory of the container, where the spring properties can be configured, and the priority is higher than `application.properties` file