使用docker-compose部署nacos集群并通過(guò)nginx實(shí)現(xiàn)負(fù)載均衡

使用docker-compose部署nacos集群并通過(guò)nginx實(shí)現(xiàn)負(fù)載均衡

單機(jī)部署nacos+mysql

nacos_mysql.yml

version: "3"
services:
  nacos:
    image: nacos/nacos-server:latest
    container_name: nacos-standalone-mysql
    environment:
      - PREFER_HOST_MODE=hostname
      - MODE=standalone
      - SPRING_DATASOURCE_PLATFORM=mysql
      - MYSQL_SERVICE_HOST=mysql
      - MYSQL_SERVICE_DB_NAME=nacos_devtest
      - MYSQL_SERVICE_PORT=3306 #mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的端口
      - MYSQL_SERVICE_USER=nacos
      - MYSQL_SERVICE_PASSWORD=nacos
      - MYSQL_DATABASE_NUM=1 #數(shù)據(jù)源為1個(gè)
      - JVM_XMS=128m
      - JVM_XMX=128m
      - JVM_XMN=128m
    volumes:
      - /data/nacos/standalone-logs/:/home/nacos/logs
      - /data/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties
    ports:
      - "8848:8848"
      - "9555:9555"
    depends_on:
      - mysql
    restart: always
  mysql:
    container_name: mysql
    image: nacos/nacos-mysql:5.7 #用mysql8改下鏡像就好nacos/nacos-mysql:8.0.16
    environment:
      - MYSQL_ROOT_PASSWORD=root
      - MYSQL_DATABASE=nacos_devtest
      - MYSQL_USER=nacos
      - MYSQL_PASSWORD=nacos
    volumes:
      - /data/mysql:/var/lib/mysql
    ports:
      - "3306:3306"
    restart: always

多臺(tái)服務(wù)器通過(guò)ip部署集群

cluster_nacos1.yml

version: "3"
services:
  nacos:
    image: nacos/nacos-server:latest
    container_name: nacos-standalone-mysql
    environment:
      - MODE=cluster # 集群模式
      - NACOS_SERVERS=IP1:8848 IP2:8848 IP3:8848 # IP1,IP2是對(duì)應(yīng)的服務(wù)器外網(wǎng),PORT1,PORT2是對(duì)應(yīng)的nacos服務(wù)端口
      - SPRING_DATASOURCE_PLATFORM=mysql
      - MYSQL_SERVICE_HOST=xxx.xxx.xx.xx# mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的ip
      - MYSQL_SERVICE_DB_NAME=nacos_devtest
      - MYSQL_SERVICE_PORT=3306 #mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的端口
      - MYSQL_SERVICE_USER=nacos
      - MYSQL_SERVICE_PASSWORD=nacos
      - MYSQL_DATABASE_NUM=1 #數(shù)據(jù)源為1個(gè)
      - JVM_XMS=128m
      - JVM_XMX=128m
      - JVM_XMN=128m
    volumes:
      - /data/nacos/standalone-logs/:/home/nacos/logs
      - /data/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties
    ports:
      - "8848:8848"
      - "9555:9555"
    restart: always

cluster_nacos2.yml

version: "3"
services:
  nacos:
    image: nacos/nacos-server:latest
    container_name: nacos-standalone-mysql
    environment:
      - MODE=cluster # 集群模式
      - NACOS_SERVERS=IP1:8848 IP2:8848 IP3:8848 # IP1,IP2是對(duì)應(yīng)的服務(wù)器外網(wǎng),PORT1,PORT2是對(duì)應(yīng)的nacos服務(wù)端口
      - SPRING_DATASOURCE_PLATFORM=mysql
      - MYSQL_SERVICE_HOST=xxx.xxx.xx.xx# mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的ip
      - MYSQL_SERVICE_DB_NAME=nacos_devtest
      - MYSQL_SERVICE_PORT=3306 #mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的端口
      - MYSQL_SERVICE_USER=nacos
      - MYSQL_SERVICE_PASSWORD=nacos
      - MYSQL_DATABASE_NUM=1 #數(shù)據(jù)源為1個(gè)
      - JVM_XMS=128m
      - JVM_XMX=128m
      - JVM_XMN=128m
    volumes:
      - /data/nacos/standalone-logs/:/home/nacos/logs
      - /data/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties
    ports:
      - "8848:8848"
      - "9555:9555"
    restart: always

cluster_nacos3.yml

version: "3"
services:
  nacos:
    image: nacos/nacos-server:latest
    container_name: nacos-standalone-mysql
    environment:
      - MODE=cluster # 集群模式
      - NACOS_SERVERS=IP1:8848 IP2:8848 IP3:8848 # IP1,IP2是對(duì)應(yīng)的服務(wù)器外網(wǎng),PORT1,PORT2是對(duì)應(yīng)的nacos服務(wù)端口
      - SPRING_DATASOURCE_PLATFORM=mysql
      - MYSQL_SERVICE_HOST=xxx.xxx.xx.xx# mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的ip
      - MYSQL_SERVICE_DB_NAME=nacos_devtest
      - MYSQL_SERVICE_PORT=3306 #mysql數(shù)據(jù)庫(kù)對(duì)應(yīng)的端口
      - MYSQL_SERVICE_USER=nacos
      - MYSQL_SERVICE_PASSWORD=nacos
      - MYSQL_DATABASE_NUM=1 #數(shù)據(jù)源為1個(gè)
      - JVM_XMS=128m
      - JVM_XMX=128m
      - JVM_XMN=128m
    volumes:
      - /data/nacos/standalone-logs/:/home/nacos/logs
      - /data/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties
    ports:
      - "8848:8848"
      - "9555:9555"
    restart: always

mysql

nacos_mysql.yml

version: "3"
services:
  mysql:
    container_name: mysql
    image: nacos/nacos-mysql:5.7 #用mysql8改下鏡像就好nacos/nacos-mysql:8.0.16
    environment:
      - MYSQL_ROOT_PASSWORD=root
      - MYSQL_DATABASE=nacos_devtest
      - MYSQL_USER=nacos
      - MYSQL_PASSWORD=nacos
    volumes:
      - /data/mysql:/var/lib/mysql
    ports:
      - "3306:3306"
    restart: always

nginx配置

nacos_nginx.yaml

version: "3"
services:
  nginx:
    restart: always
    image: nginx:latest
    container_name: nginx
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /opt/nginx/conf.d/:/etc/nginx/conf.d/
      - /opt/nginx/nginx.conf:/etc/nginx/nginx.conf
      - /opt/nginx/logs:/var/log/nginx/
      - /opt/nginx/html:/var/www/html
      - /opt/nginx/ssl:/etc/nginx/ssl
    restart: always

nginx.conf配置文件，主要是改http中的配置

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;

    keepalive_timeout  65;
    
    

    upstream nacos_cluster{
        server nacos1的IP:port weight=1 max_fails=2 fail_timeout=30s;
        server nacos2的IP:port weight=1 max_fails=2 fail_timeout=30s;
        server nacos3的IP:port weight=1 max_fails=2 fail_timeout=30s;
    }
 
    server{
        listen nginx端口號(hào);
        server_name nginx的IP;
        
        large_client_header_buffers 4 16k;     # 讀取大型客戶端請(qǐng)求頭的緩沖區(qū)的最大數(shù)量和大小
        client_max_body_size 300m;     #設(shè)置nginx能處理的最大請(qǐng)求主體大小。
        client_body_buffer_size 128k;  #請(qǐng)求主體的緩沖區(qū)大小。 
        
        fastcgi_connect_timeout 300;
        fastcgi_send_timeout 300;
        fastcgi_read_timeout 300;
        fastcgi_buffer_size 64k;
        fastcgi_buffers 8 32k;
        fastcgi_busy_buffers_size 128k;
        fastcgi_temp_file_write_size 64k;

    location / {
        proxy_pass http://nacos_cluster;
    }
    }
    include /etc/nginx/conf.d/*.conf;
}

mysql數(shù)據(jù)庫(kù)建表語(yǔ)句

大家要用mysql官網(wǎng)的數(shù)據(jù)庫(kù)鏡像可以自建表，下載對(duì)應(yīng)版本的nacos，mysql數(shù)據(jù)庫(kù)文件在nacos/conf/nacos-mysql.sql就是了，進(jìn)入mysql數(shù)據(jù)庫(kù)導(dǎo)入即可。

屬性配置列表

屬性名稱 描述 選項(xiàng)
MODE 系統(tǒng)啟動(dòng)方式: 集群/單機(jī) cluster/standalone默認(rèn) cluster
NACOS_SERVERS 集群地址 p1:port1空格ip2:port2 空格ip3:port3
PREFER_HOST_MODE 支持IP還是域名模式 hostname/ip 默認(rèn) ip
NACOS_SERVER_PORT Nacos 運(yùn)行端口 默認(rèn) 8848
NACOS_SERVER_IP 多網(wǎng)卡模式下可以指定IP
SPRING_DATASOURCE_PLATFORM 單機(jī)模式下支持MYSQL數(shù)據(jù)庫(kù) mysql / 空 默認(rèn):空
MYSQL_SERVICE_HOST 數(shù)據(jù)庫(kù) 連接地址
MYSQL_SERVICE_PORT 數(shù)據(jù)庫(kù)端口 默認(rèn) : 3306
MYSQL_SERVICE_DB_NAME 數(shù)據(jù)庫(kù)庫(kù)名
MYSQL_SERVICE_USER 數(shù)據(jù)庫(kù)用戶名
MYSQL_SERVICE_PASSWORD 數(shù)據(jù)庫(kù)用戶密碼
MYSQL_SERVICE_DB_PARAM 數(shù)據(jù)庫(kù)連接參數(shù) default : characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
MYSQL_DATABASE_NUM It indicates the number of database 默認(rèn) :1
JVM_XMS -Xms 默認(rèn) :2g
JVM_XMX -Xmx 默認(rèn) :2g
JVM_XMN -Xmn 默認(rèn) :1g
JVM_MS -XX:MetaspaceSize 默認(rèn) :128m
JVM_MMS -XX:MaxMetaspaceSize 默認(rèn) :320m
NACOS_DEBUG 是否開(kāi)啟遠(yuǎn)程DEBUG y/n 默認(rèn) :n
TOMCAT_ACCESSLOG_ENABLED server.tomcat.accesslog.enabled 默認(rèn) :false
NACOS_AUTH_SYSTEM_TYPE 權(quán)限系統(tǒng)類型選擇,目前只支持nacos類型 默認(rèn) :nacos
NACOS_AUTH_ENABLE 是否開(kāi)啟權(quán)限系統(tǒng) 默認(rèn) :false
NACOS_AUTH_TOKEN_EXPIRE_SECONDS token 失效時(shí)間 默認(rèn) :18000
NACOS_AUTH_TOKEN token 默認(rèn) :SecretKey012345678901234567890123456789012345678901234567890123456789
NACOS_AUTH_CACHE_ENABLE 權(quán)限緩存開(kāi)關(guān) ,開(kāi)啟后權(quán)限緩存的更新默認(rèn)有15秒的延遲 默認(rèn) : false
MEMBER_LIST 通過(guò)環(huán)境變量的方式設(shè)置集群地址 例子: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 是否開(kāi)啟集群嵌入式存儲(chǔ)模式 embedded 默認(rèn) : none

高級(jí)配置

如果上面的屬性列表無(wú)法滿足你的需求時(shí),可以掛載custom.properties到/home/nacos/init.d/ 目錄,然后在里面像使用Spring Boot的application.properties文件一樣配置屬性, 并且這個(gè)文件配置的屬性**優(yōu)先級(jí)高于application.properties

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