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version: '3'

services:
  my-react-app:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "80:80"
    volumes:

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server {
  listen 80;
  server_name example.com;
  root /usr/share/nginx/html;
  index index.html;
  location / {
    try_files $uri $uri/ /index.html;
  }
}

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# Use an official Node runtime as a parent image
FROM node:19-alpine as build
# Set the working directory to /app
WORKDIR /app
# Copy the package.json and package-lock.json to the container
COPY package*.json ./
# Install dependencies
RUN npm install
# Copy the rest of the application code to the container
COPY . .

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const newtonSquareRoot = (num) => {
    let x = 1;
    let result;
    
    for (let i = 0; i < 20; i++)
    {
        result = x - ( x*x - num )/( 2*x );
        x = result;
    }

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let puppeteer = require('puppeteer');
var nodemailer = require('nodemailer');

scrapePrice('https://www.google.com/search?client=opera&hs=Wzk&sxsrf=ALeKk00I7IW96h0D13mdL99WUos0Xhz5MA%3A1604829566135&ei=fsGnX_DmB4XosAeQpInwAQ&q=türk+hava+yolları+hisse&oq=türk+hava+yolları+hisse&gs_lcp=CgZwc3ktYWIQAzIICAAQyQMQywEyBQgAEMsBMgUIABDLATIFCAAQywEyBQgAEMsBMgUIABDLATIFCAAQywEyBQgAEMsBMgUIABDLATIFCAAQywE6BAgAEEc6CwguEMcBEK8BEMsBUMULWKYSYNcSaABwAngAgAGpAogBwAeSAQUwLjQuMZgBAKABAaoBB2d3cy13aXrIAQjAAQE&sclient=psy-ab&ved=0ahUKEwjwnduB2PLsAhUFNOwKHRBSAh4Q4dUDCAw&uact=5');

function main(srcTxt)
{
    
    let currentPrice = srcTxt;
    let myPrice = 9.62;

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async function scrapePrice(url){
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto(url);

  const [el] = await page.$x('<XPath>');
  const txt = await (await el.getProperty('textContent')).jsonValue(); // return 9,71 but parseFloat need to period not comma
  browser.close();
  let stringTxt = JSON.stringify(txt).replace('"',"").replace('"',"").replace(",","."); // first change json to string type, this return "number.decimal" and some string methods
}

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import React, { useState, useEffect, useRef } from "react";
import { HubConnectionBuilder } from "@microsoft/signalr";
import ChatWindow from "./ChatWindow";
import ChatInput from "./ChatInput";
import { Container } from "reactstrap";

const Chat = () => {
  const [connection, setConnection] = useState(null);
  const [chat, setChat] = useState([]);
  const latestChat = useRef(null);

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import "bootstrap/dist/css/bootstrap.min.css";

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services.AddSignalR();

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app.UseCors("ClientPermission");