Docker 启动 Redis2018-11-09Θ

docker pull redis
docker pull node
# 启动 node
docker run -it node /bin/bash
npm install pm2 -g
npm install cnpm -g --registry=https://registry.npm.taobao.org
exit
# 发布镜像
docker login
# 把 Container 提交为 Images
docker commit uuid wkl/node_pm2
# 查看 Images 列表
docker images node_pm2
# 把镜像提交到云上
docker push wkl/node_pm2

docker run --name redis-server -d redis redis-server --appendonly yes

var express = require('express');
var redis = require('redis');
var app = express();
// 从环境变量中读取 Redis 服务器的 IP 地址
var redisHost = process.env['REDIS_PORT_6379_TCP_ADDR'];
var redisPort = process.env['REDIS_PORT_6379_TCP_PORT'];
var redisClient = redis.createClient(redisPort, redisHost);
app.get('/', function(req, res) {
  console.log('get request');
  redisClient.get('access_count', function(err, countNum) {
    if (err) {
      return res.send('get access count error');
    }
    if (!countNum) {
      countNum = 1;
    } else {
      countNum = parseInt(countNum) + 1;
    }
    redisClient.set('access_count', countNum, function(err) {
      if (err) {
        return res.send('set access count error');
      }
      res.send(countNum.toString());
    });
  });
});
app.listen(8000);

docker run --rm \
 -itv /current_dir/express_test:/var/node/docker_node \
 -w /var/node/docker_node \
 wkl/node_pm2 \
 npm install

su -c "setenforce 0"

docker run -d \
  --name 'nodeCount' \
  -p 8000:8000 \
  -v /current_dir/express_test:/var/node/docker_node \
  -v /current_dir/log/pm2:/root/.pm2/logs \
  --link redis-server:redis \
  -w /var/node/docker_node/ \
  wkl/node_pm2 \
  pm2 start app.js

docker run -d \
  --name 'nodeCount' \
  -p 8000:8000 \
  -v /current_dir/express_test:/var/node/docker_node \
  -v /current_dir/log/pm2:/root/.pm2/logs \
  --link redis-server:redis \
  -w /var/node/docker_node/ \
  wkl/node_pm2 \
  pm2 start --no-daemon app.js