docker单点启动nacos持久化密码

nacos-docker启动文档 (opens new window)

nacos-dockerhub (opens new window)

• 构建nacos-docker镜像

我这里有点小改动，里面有个sed，修改了启动脚本，官方的镜像会依赖mysql服务

vi Dcokerfile

FROM openjdk:8u252-jdk

MAINTAINER "yangfk"
LABEL version="jdk-8u252",nacos="2.0.2"
RUN test -d /home || mkdir /home

#docker镜像nacos/nacos-server:v2.1.0-slim 拷贝/home/nacos目录制作nacos.tar包
#ADD ./nacos-server-2.0.2.tar.gz /home/
ADD https://github.com/alibaba/nacos/releases/download/2.0.2/nacos-server-2.0.2.tar.gz /home

WORKDIR /home/nacos

#输出信息软链接
RUN mkdir logs && touch logs/start.out && ln -sf /dev/stdout logs/start.out && ln -sf /dev/stderr logs/start.out \ 
    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' > /etc/zonetime \
    && rm -rf /var/lib/apt/lists/* \
	&& sed  -i 's#\(nohup\)\(.*\)&#\2#g' /home/nacos/bin/startup.sh 

#nacos
ENV MODE=cluster PREFER_HOST_MODE=ip BASE_DIR=/home/nacos CLASSPATH=.:/home/nacos/conf: CLUSTER_CONF=/home/nacos/conf/cluster.conf FUNCTION_MODE=all NACOS_USER=nacos JAVA=/usr/local/openjdk-8/bin/java JVM_XMS=1g JVM_XMX=1g JVM_XMN=512m JVM_MS=128m JVM_MMS=320m NACOS_DEBUG=n TOMCAT_ACCESSLOG_ENABLED=false TZ=Asia/Shanghai  LANG=en_US.UTF-8
EXPOSE 8848
ENTRYPOINT  ["bash","bin/startup.sh","-m","standalone"]

• 构建镜像，启动

docker build . -t harbor.yfklife.cn/public/nacos:2.0.2
docker run -it --restart=always -p 8848:8848 --name nacos harbor.yfklife.cn/public/nacos:2.0.2

单机运行持久化密码

登录界面修改nacos密码，默认账号密码：nacos/nacos

test -d /data && cd /data || mkdir /data && cd /data
test -d /data/nacos-data || mkdir /data/nacos-data
docker stop nacos
docker cp nacos:/home/nacos/data/derby-data /data/nacos-data/derby-data
docker rm -f nacos
docker run -it --restart=always -p 8848:8848 --name nacos -v /data/nacos-data/derby-data:/home/nacos/data/derby-data harbor.yfklife.cn/public/nacos:2.0.2

使用docker-compose启动nacos

vi docker-compose-nacos.yml

version: '3'

#宿主机IP: 10.12.32.180
services:
  prod_nacos:
    restart: always
    container_name: prod_nacos
    image: harbor.yfklife.cn/public/nacos:2.0.2
    working_dir: /home/nacos
    volumes:
      - /etc/localtime:/etc/localtime
      - /etc/timezone:/etc/timezone
      #- ./nacos-data/derby-data:/home/nacos/data/derby-data   #密码存储文件,持久化密码需要拷贝，挂载出来
    ports:
      - "8848:8848"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://127.0.0.1:8848/nacos/index.html"]
      interval: 1m
      timeout: 5s
      retries: 3
    deploy:
      resources:
         limits:
            memory: 2G
         reservations:
            memory: 1G
    network_mode: bridge

• 宿主机service 配置nacos服务

cat >/etc/init.d/nacos<<'EOF'
#!/bin/bash

source /etc/profile #需要配置jdk 环境

start(){
    if ! $(ps -ef |grep nacos-server.jar >/dev/null );then
        /home/nacos/bin/startup.sh  -m standalone >/dev/null 2>&1 &
    fi
    sleep 3
    ps -ef |grep nacos-server.jar
}

stop() {
    bash /home/nacos/bin/shutdown.sh
}

restart() {
    bash /home/nacos/bin/shutdown.sh
    sleep 3
    /home/nacos/bin/startup.sh  -m standalone >/dev/null 2>&1 &
}

status() {
    ps -ef |grep nacos-server.jar
    curl -I 127.0.0.1:8848/nacos/index.html
}


case "$1" in
start)
  start
  ;;
status)
  status
  ;;
stop)
  stop
  ;;
restart)
  restart
  ;;
*)
  echo "Usage :$0 {start|stop|restart|status}"
  ;;
esac

EOF

chmod +x /etc/init.d/nacos
service nacos start