本文介绍 docker 环境下安装并单机运行 Nacos2,使用 docker 环境下的 MySQL 8 存储数据。
1 拉取镜像
1.1 创建目录
在硬盘上创建 nacos 的有关目录:
mkdir -p /Users/yygnb/dockerMe/nacos/conf /Users/yygnb/dockerMe/nacos/logs /Users/yygnb/dockerMe/nacos/data /Users/yygnb/dockerMe/nacos/init.d
为该目录添加权限:
chown 200 -R /Users/yygnb/dockerMe/nacos
1.2 拉取镜像
搜索镜像:
docker search nacos
搜索结果:
2 配置文件
2.1 nacos-logback.xml
在 conf 目录中创建配置文件 nacos-logback.xml
:
<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="10 seconds">
<springProperty scope="context" name="logPath" source="nacos.logs.path" defaultValue="${nacos.home}/logs"/>
<property name="LOG_HOME" value="${logPath}"/>
<appender name="cmdb-main"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${nacos.home}/logs/cmdb-main.log</file>
<append>true</append>
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${nacos.home}/logs/cmdb-main.log.%d{yyyy-MM-dd}.%i</fileNamePattern>
<maxFileSize>2GB</maxFileSize>
<maxHistory>7</maxHistory>
<totalSizeCap>7GB</totalSizeCap>
<cleanHistoryOnStart>true</cleanHistoryOnStart>
</rollingPolicy>
<encoder>
<Pattern>%date %level %msg%n%n</Pattern>
<charset>UTF-8</charset>
</encoder>
</appender>
<appender name="rootFile"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_HOME}/nacos.log</file>
<append>true</append>
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${LOG_HOME}/nacos.log.%d{yyyy-MM-dd}.%i</fileNamePattern>
<maxFileSize>50MB</maxFileSize>
<maxHistory>7</maxHistory>
<totalSizeCap>512MB</totalSizeCap>
<cleanHistoryOnStart>true</cleanHistoryOnStart>
</rollingPolicy>
<encoder>
<Pattern>%date %level %msg%n%n</Pattern>
<charset>UTF-8</charset>
</encoder>
</appender>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<Pattern>%date %level %msg%n%n</Pattern>
<charset>UTF-8</charset>
</encoder>
</appender>
<appender name="naming-server"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_HOME}/naming-server.log</file>
<append>true</append>
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${LOG_HOME}/naming-server.log.%d{yyyy-MM-dd}.%i</fileNamePattern>
<maxFileSize>1GB</maxFileSize>
<maxHistory>7</maxHistory>
<totalSizeCap>7GB</totalSizeCap>
<cleanHistoryOnStart>true</cleanHistoryOnStart>
</rollingPolicy>
<encoder>
<Pattern>%date %level %msg%n%n</Pattern>
<charset>UTF-8</charset>
</encoder>
</appender>
<springProfile name="standalone">
<logger name="org.springframework">
<appender-ref ref="CONSOLE"/>
<level value="INFO"/>
</logger>
<logger name="org.apache.catalina.startup.DigesterFactory">
<appender-ref ref="CONSOLE"/>
<level value="INFO"/>
</logger>
<logger name="org.apache.catalina.util.LifecycleBase">
<appender-ref ref="CONSOLE"/>
<level value="ERROR"/>
</logger>
<logger name="org.apache.coyote.http11.Http11NioProtocol">
<appender-ref ref="CONSOLE"/>
<level value="WARN"/>
</logger>
<logger name="org.apache.tomcat.util.net.NioSelectorPool">
<appender-ref ref="CONSOLE"/>
<level value="WARN"/>
</logger>
</springProfile>
<logger name="com.alibaba.nacos.core.listener.StartingApplicationListener">
<appender-ref ref="CONSOLE"/>
<level value="INFO"/>
</logger>
<root>
<level value="INFO"/>
<appender-ref ref="rootFile"/>
</root>
</configuration>
2.2 custom.properties
在 init.d 目录下创建 custom.properties
文件,该文件配置了 MySQL 数据库的信息。关于 Docker 中安装 MySQL 8 ,在之前的文章中已经描写。
server.contextPath=/nacos
server.servlet.contextPath=/nacos
server.port=8848
spring.datasource.platform=mysql
db.num=1
db.url.0=jdbc:mysql://127.0.0.1/nacos?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
db.user=root
db.password=Mysql.123
nacos.cmdb.dumpTaskInterval=3600
nacos.cmdb.eventTaskInterval=10
nacos.cmdb.labelTaskInterval=300
nacos.cmdb.loadDataAtStart=false
management.metrics.export.elastic.enabled=false
management.metrics.export.influx.enabled=false
server.tomcat.accesslog.enabled=true
server.tomcat.accesslog.pattern=%h %l %u %t "%r" %s %b %D %{User-Agent}i
nacos.security.ignore.urls=/,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/v1/auth/login,/v1/console/health/**,/v1/cs/**,/v1/ns/**,/v1/cmdb/**,/actuator/**,/v1/console/server/**
nacos.naming.distro.taskDispatchThreadCount=1
nacos.naming.distro.taskDispatchPeriod=200
nacos.naming.distro.batchSyncKeyCount=1000
nacos.naming.distro.initDataRatio=0.9
nacos.naming.distro.syncRetryDelay=5000
nacos.naming.data.warmup=true
nacos.naming.expireInstance=true
注意修改上面配置文件中 db
相关的参数,如 url 地址、user 用户名、password 密码等。
3 准备数据库
3.1 创建数据库
create database `nacos`
default character set utf8mb4 collate utf8mb4_general_ci;
3.2 创建表结构
可以去 Nacos 的 github 官方下载,如果网络不行或者找不到请call博主获取 SQL 文件。
4 启动容器
执行下列命令:
docker run -d -p 8848:8848 \
-e MODE=standalone \
-v /Users/yygnb/dockerMe/nacos/conf:/home/nacos/conf \
-v /Users/yygnb/dockerMe/nacos/logs:/home/nacos/logs \
-v /Users/yygnb/dockerMe/nacos/data:/home/nacos/data \
-v /Users/yygnb/dockerMe/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties \
--name nacos \
nacos/nacos-server:latest
查看容器运行状态:
docker ps | grep nacos
查看 Nacos 运行的日志:
docker logs -f nacos
5 访问 Nacos
在浏览器中访问 Nacos:
http://localhost:8848/
默认用户名和密码都是 nacos
。