Docker - 制作Nodejs镜像

# Nodejs 服务镜像
# - https://hub.docker.com/_/centos?tab=tags&page=1
FROM centos:centos7.9.2009

WORKDIR /opt/app

LABEL maintainer="luqiangzeng@gmail.com"

# 定义环境变量
ENV NODE_PATH /usr/local/services/node

# 启动脚本
COPY ./scripts/pod-tools/ /opt/app/scripts/
# nodejs 安装包
COPY ./packages/node-v16.14.0-linux-x64 ${NODE_PATH}

# node app demo 代码
ADD ./src ./node

# 设置软链
RUN ln -s ${NODE_PATH}/bin/node /usr/local/bin/node && \
  ln -s ${NODE_PATH}/bin/npm /usr/local/bin/npm


ENTRYPOINT ["/opt/app/scripts/run.sh"]

#!/bin/bash

# 启动 nodejs 服务
cd /opt/app/node
npm i
nohup node /opt/app/node/app.js &

# run the command given as arguments from CMD
exec "$@"

const http = require('http');
const os = require('os');

const { logger } = require('./utils/log4js/index');
const PORT = 9090;

const handler = (request, response) => {
  const remoteAddressInfo = `Recei ved request from ${request.connection.remoteAddress}`;
  logger.info(remoteAddressInfo);

  response.writeHead(200);
  const resMsg = `You've hit ${os.hostname()}.\n`;
  logger.info(resMsg);
  response.end(resMsg);
}

var app = http.createServer(handler);
app.listen(PORT);

console.log(`
You can now view node-app in the browser.
  Local:            http://localhost:${PORT}
`);

git clone https://github.com/issaczeng/examples.git
cd examples/node-v16.14.0/
npm run docker:build
docker images

docker image tag node-v16.14.0:latest luqiangzeng/node-v16.14.0:1.0.0
docker image tag node-v16.14.0:latest luqiangzeng/node-v16.14.0:latest

docker push luqiangzeng/node-v16.14.0:1.0.0
docker push luqiangzeng/node-v16.14.0:latest

version: "2"
networks:
  default:
    driver: bridge

services:
  node-app-demo:
    restart: always
    # 镜像
    image: luqiangzeng/node-v16.14.0:1.0.0
    container_name: node-app-demo
    ports:
      - "9090:9090"
    command: /usr/sbin/init

# 启动
npm run compose:up
# 查看
npm run compose:ps
# 测试验证
curl http://localhost:9090

npm run compose:up
# 实际执行了 `docker-compose -f ./docker-compose/docker-compose.yaml up -d`
npm run compose:ps
# 实际执行了 `docker-compose -f ./docker-compose/docker-compose.yaml ps`

npm run compose:update