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Dockerfile

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+FROM node:alpine
+
+WORKDIR /app
+
+COPY . .
+
+EXPOSE 7860
+
+RUN apk update && apk add --no-cache openssl curl &&\
+    chmod +x index.js &&\
+    npm install
+
+CMD ["node", "index.js"]

index.js

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+const axios = require('axios');
+const http = require('http');
+const cron = require('node-cron');
+const port = process.env.PORT || 7860;     
+const moment = require('moment-timezone');
+
+// 添加24小时访问的URL数组
+const urls = [
+  'https://www.baidu.com',             // 此处可备注名称，例如：glitch
+  'https://www.yahoo.com',             // 此处可备注名称，例如：glitch
+  'https://www.baidu.com',             // 此处可备注名称，例如：glitch
+  'https://www.yahoo.com',             // 此处可备注名称，例如：glitch
+  'https://www.baidu.com',             // 此处可备注名称，例如：glitch
+  'https://www.yahoo.com',             // 此处可备注名称，例如：glitch
+  'https://www.baidu.com',             // 此处可备注名称，例如：glitch
+  'https://www.yahoo.com',             // 此处可备注名称，例如：glitch
+  // 添加更多24小时不间断访问的URL
+];
+
+// 添加在01:00至05:00暂停访问，其他时间正常访问的URL数组
+function visitWebsites() {
+  const websites = [
+    'https://www.google.com',        // 此处可备注名称，例如：Back4app
+    'https://www.google.com',        // 此处可备注名称，例如：Back4app
+    'https://www.google.com',        // 此处可备注名称，例如：Back4app
+    'https://www.google.com'         // 此处可备注名称，例如：Back4app，最后一个url后面没有逗号
+    //添加更多的指定时间访问的URL
+  ];
+
+ // 遍历网页数组并发送请求
+  websites.forEach(async (url) => {
+    try {
+      const response = await axios.get(url);
+      console.log(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')} Visited web successfully: ${url} - Status code: ${response.status}\n`);
+    } catch (error) {
+      console.error(`Error visiting ${url}: ${error.message}\n`);
+    }
+  });
+}
+
+// 检查并设置定时器
+function checkAndSetTimer() {
+  const currentMoment = moment().tz('Asia/Hong_Kong');
+  const formattedTime = currentMoment.format('YYYY-MM-DD HH:mm:ss');
+  if (currentMoment.hours() >= 1 && currentMoment.hours() < 5) {
+    console.log(`Stop visit from 1:00 to 5:00 --- ${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')}`);
+    clearInterval(visitIntervalId); // 清除定时器
+    const nextVisitTime = moment().tz('Asia/Hong_Kong').add(0, 'day').hours(5).minutes(0).seconds(0);
+    const nextVisitInterval = nextVisitTime.diff(currentMoment);
+    setTimeout(() => {
+      startVisits();
+    }, nextVisitInterval);
+  } else {
+    startVisits();
+  }
+}
+
+let visitIntervalId; 
+function startVisits() {
+  clearInterval(visitIntervalId);
+// visitWebsites();
+  visitIntervalId = setInterval(() => {
+    visitWebsites();
+  }, 2 * 60 * 1000);   // 每2分钟执行一次访问
+}
+
+function runScript() {
+  const runScriptIntervalId = setInterval(() => {
+    //console.log('Running script');
+    checkAndSetTimer();
+  }, 2 * 60 * 1000); // 每2分钟检查一次
+}
+checkAndSetTimer();
+runScript();
+
+// 24小时不间断访问
+async function scrapeAndLog(url) {
+  try {
+    const response = await axios.get(url);
+    console.log(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')} Web visited Successfully: ${url} - Status code: ${response.status}\n`);
+  } catch (error) {
+    console.error(`${moment().tz('Asia/Hong_Kong').format('YYYY-MM-DD HH:mm:ss')}: Web visited Error: ${url}: ${error.message}\n`);
+  }
+}
+// 每2分钟访问一次
+cron.schedule('*/2 * * * *', () => {
+  console.log('Running webpage access...');
+  urls.forEach((url) => {
+    scrapeAndLog(url);
+  });
+});
+
+// 创建HTTP服务
+const server = http.createServer((req, res) => {
+  if (req.url === '/') {
+    res.writeHead(200, {'Content-Type': 'text/plain'});
+    res.end('Hello, World!\n');
+  } else {
+    res.writeHead(404, {'Content-Type': 'text/plain'});
+    res.end('Not Found\n');
+  }
+});
+
+server.listen(port, () => {
+  console.log(`Server is running on port:${port}`);
+});

package.json

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+{
+  "name": "keep-online",
+  "version": "2.0.0",
+  "description": "Auto-keep-online",
+  "main": "index.js",
+  "author": "eoovve",
+  "repository": "https://github.com/eoovve/Auto-keep-online",
+  "license": "MIT",
+  "private": false,
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "axios": "^1.6.2",
+    "node-cron": "^2.0.1",
+    "moment-timezone": "latest"
+  },
+  "engines": {
+    "node": ">=14"
+  }
+}