Nacos Docker
This project contains a Docker image meant to facilitate the deployment of Nacos.
Project directory
- build：Nacos makes the source code of the docker image
- env: Environment variable file for compose yaml
- example: Docker compose example for Nacos server
Precautions
- The database master-slave image has been removed, after the latest
nacos/nacos-server:latestimage. For specific reasons, refer to Removing the Master-Slave Image Configuration - Since Nacos 1.3.1 version, the database storage has been upgraded to 8.0, and it is backward compatible
Quick Start
docker run --name nacos-quick -e MODE=standalone -p 8849:8848 -d nacos/nacos-server:2.0-bugfixAdvanced Usage
- Tips: You can change the version of the Nacos image in the compose file from the following configuration.
example/.env
NACOS_VERSION=2.0.0-bugfixRun the following command：
-
Clone project
git clone --depth 1 https://github.com/nacos-group/nacos-docker.git cd nacos-docker
-
Standalone Derby
docker-compose -f example/standalone-derby.yaml up
-
Standalone Mysql
# Using mysql 5.7 docker-compose -f example/standalone-mysql-5.7.yaml up # Using mysql 8 docker-compose -f example/standalone-mysql-8.yaml up
-
Cluster
docker-compose -f example/cluster-hostname.yaml up
-
Service registration
curl -X PUT 'http://127.0.0.1:8848/nacos/v1/ns/instance?serviceName=nacos.naming.serviceName&ip=20.18.7.10&port=8080'
-
Service discovery
curl -X GET 'http://127.0.0.1:8848/nacos/v1/ns/instances?serviceName=nacos.naming.serviceName'
-
Publish config
curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos.cfg.dataId&group=test&content=helloWorld"
-
Get config
curl -X GET "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos.cfg.dataId&group=test"
-
Open the Nacos console in your browser
Common property configuration
| name | description | option |
|---|---|---|
| MODE | cluster/standalone | cluster/standalone default cluster |
| NACOS_SERVERS | nacos cluster address | eg. ip1:port1 ip2:port2 ip3:port3 |
| PREFER_HOST_MODE | Whether hostname are supported | hostname/ip default ip |
| NACOS_APPLICATION_PORT | nacos server port | default 8848 |
| NACOS_SERVER_IP | custom nacos server ip when network was mutil-network | |
| SPRING_DATASOURCE_PLATFORM | standalone support mysql | mysql / empty default empty |
| MYSQL_SERVICE_HOST | mysql host | |
| MYSQL_SERVICE_PORT | mysql database port | default : 3306 |
| MYSQL_SERVICE_DB_NAME | mysql database name | |
| MYSQL_SERVICE_USER | username of database | |
| MYSQL_SERVICE_PASSWORD | password of database | |
| MYSQL_DATABASE_NUM | It indicates the number of database | default :1 |
| MYSQL_SERVICE_DB_PARAM | Database url parameter | default : characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true |
| JVM_XMS | -Xms | default :1g |
| JVM_XMX | -Xmx | default :1g |
| JVM_XMN | -Xmn | default :512m |
| JVM_MS | -XX:MetaspaceSize | default :128m |
| JVM_MMS | -XX:MaxMetaspaceSize | default :320m |
| NACOS_DEBUG | enable remote debug | y/n default :n |
| TOMCAT_ACCESSLOG_ENABLED | server.tomcat.accesslog.enabled | default :false |
| 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 |
| NACOS_AUTH_CACHE_ENABLE | nacos.core.auth.caching.enabled | default : false |
| NACOS_AUTH_USER_AGENT_AUTH_WHITE_ENABLE | nacos.core.auth.enable.userAgentAuthWhite | default : false |
| NACOS_AUTH_IDENTITY_KEY | nacos.core.auth.server.identity.key | default : serverIdentity |
| NACOS_AUTH_IDENTITY_VALUE | nacos.core.auth.server.identity.value | default : security |
| NACOS_SECURITY_IGNORE_URLS | nacos.security.ignore.urls | default : /,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/** |
Advanced configuration
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
Reference example: cluster-hostname.yaml
Nacos + Grafana + Prometheus
Usage reference：Nacos monitor-guide
Note: When Grafana creates a new data source, the data source address must be http://prometheus:9090
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