基于Docker搭建Nacos集群

docker run \
-p 3306:3306 \
--name nacos-mysql \
-v $PWD/conf:/etc/mysql/conf.d \
-v $PWD/logs:/logs \
-v $PWD/data:/var/lib/mysql \
-v /etc/localtime:/etc/localtime:ro \
-e TZ=Asia/Shanghai \
-e MYSQL_ROOT_PASSWORD=root \
-d mysql:5.7

// 每个节点都创建
mkdir -p /usr/local/docker/nacos-server
mkdir -p /usr/local/docker/nacos-server/env
mkdir -p /usr/local/docker/nacos-server/logs
mkdir -p /usr/local/docker/nacos-server/init.d

vim /usr/local/docker/nacos-server/init.d/custom.properties

// 添加以下配置
#spring.security.enabled=false
#management.security=false
#security.basic.enabled=false
#nacos.security.ignore.urls=/**
#management.metrics.export.elastic.host=http://localhost:9200
# metrics for prometheus
management.endpoints.web.exposure.include=*

# metrics for elastic search
#management.metrics.export.elastic.enabled=false
#management.metrics.export.elastic.host=http://localhost:9200

# metrics for influx
#management.metrics.export.influx.enabled=false
#management.metrics.export.influx.db=springboot
#management.metrics.export.influx.uri=http://localhost:8086
#management.metrics.export.influx.auto-create-db=true
#management.metrics.export.influx.consistency=one
#management.metrics.export.influx.compressed=true

vim /usr/local/docker/nacos-server/env/nacos-hostname.env

#nacos dev env
# 首选主机模式
PREFER_HOST_MODE=hostname
# 当前主机的IP
NACOS_SERVER_IP=192.168.1.160
# 集群的各个节点
NACOS_SERVERS=192.168.1.160:8848 192.168.1.161:8848 192.168.1.162:8848
# 数据库的配置
MYSQL_SERVICE_HOST=192.168.1.100
MYSQL_SERVICE_DB_NAME=nacos
MYSQL_SERVICE_PORT=3306
MYSQL_SERVICE_USER=root
MYSQL_SERVICE_PASSWORD=root

# 从节点 这里就使用单节点测试,因此就不配置从节点
#MYSQL_SLAVE_SERVICE_HOST=xxx
#MYSQL_SLAVE_SERVICE_PORT=3306

# JVM参数 默认是2G 如果使用虚拟机,内存没有2G,就需要调整这里的参数,否则将无法启动
JVM_XMS=256m
JVM_XMX=256m
JVM_XMN=256m

scp -r /usr/local/docker/nacos-server/env/nacos-hostname.env  root@192.168.1.:/usr/local/docker/nacos-server/env/nacos-hostname.env
scp -r /usr/local/docker/nacos-server/env/nacos-hostname.env  root@192.168.1.:/usr/local/docker/nacos-server/env/nacos-hostname.env

scp -r /usr/local/docker/nacos-server/init.d/custom.properties  root@192.168.1.:/usr/local/docker/nacos-server/init.d/custom.properties
scp -r /usr/local/docker/nacos-server/init.d/custom.properties  root@192.168.1.:/usr/local/docker/nacos-server/init.d/custom.properties

docker run \
-p : \
--restart=always \
--name nacos-node \
--env-file=/usr/local/docker/nacos-server/env/nacos-hostname.env \
-v /usr/local/docker/nacos-server/logs:/home/nacos/logs \
-v /usr/local/docker/nacos-server/init.d/custom.properties:/home/nacos/init.d/custom.properties \
-d nacos/nacos-server

// 如果出现异常,可以在/usr/local/docker/nacos-server/logs目录下查看
tail -f /usr/local/docker/nacos-server/logs/nacos.log

upstream nacos_server {
   server 192.168.1.160:8848;
   server 192.168.1.161:8848;
   server 192.168.1.162:8848;
}

server {
    listen ;
    listen  ssl;
    #填写绑定证书的域名
    server_name nacos.你的域名;
    #ssl on;
    ssl_certificate /你的证书路径.crt;
    ssl_certificate_key /你的密钥路径.key;
    ssl_session_timeout 5m;
    #按照这个协议配置
    ssl_protocols TLSv1 TLSv1. TLSv1.;
    #按照这个套件配置
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE;
    ssl_prefer_server_ciphers on;

    charset utf-;

    resolver 223.5.5.5 223.6.6.6 1.2.4.8 114.114.114.114 valid=3600s;

    location / {
        proxy_read_timeout ;
        proxy_http_version .;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $http_connection;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;

        proxy_pass http://nacos_server;
    }
}

sbin/nginx -t
sbin/nginx -s reload