Create a node server with the following requirements: Use the dotenv package to manage your development environment variables. PORT should be 3000 HOST should be localhost Endpoints /dotted Only GET requests are allowed. This endpoint will respond with the HTML content type. This endpoint will take two required query parameters: word1 and word2. The endpoint will take the two words and create a string that is the two words separated by enough “.” characters to make the length of the string 30. For example if word1 is “turtle” and word2 is “153” the output should be: turtle.....................153 The response body should be the string wrapped in a tag. /fizzBuzz Only GET requests are allowed. This endpoint will respond with the HTML content type. This endpoint will take two required query parameters: start and end. The endpoint will iterate from start to end and for each number it will: Show “Fizz” if the number is divisible by 3. Show “Buzz” if the number is divisible by 5. Show “FizzBuzz” if the number is divisible by both 3 and 5. Show the number if it is not divisible by 3 or 5. Each iteration output should be on a new line. For example, if start is 9 and end is 16, the output would look like this: Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 The response body should be the string wrapped in a tag. /gradeStats Only GET requests are allowed. This endpoint will respond with the JSON content type. This endpoint will take an array parameter, grades, that requires at least one value. The program should return JSON containing the minimum and maximum values in the array as well as the average. For example, if the grades entered are 88, 73, 97, 87 the endpoint should return:{"average":"86.25","minimum":"73","maximum":"97"} /rectangle Only GET requests are allowed. This endpoint will respond with the JSON content type. This endpoint will take two required parameters: length and width. This endpoint should return JSON containing the perimeter and area. For example, if length is 2 and width is 4, the endpoint should return: {"area":"8","perimeter":"12"}

Create a node server with the following requirements: Use the dotenv package to manage your development environment variables. PORT should be 3000 HOST should be localhost Endpoints /dotted Only GET requests are allowed. This endpoint will respond with the HTML content type. This endpoint will take two required query parameters: word1 and word2. The endpoint will take the two words and create a string that is the two words separated by enough “.” characters to make the length of the string 30. For example if word1 is “turtle” and word2 is “153” the output should be: turtle.....................153 The response body should be the string wrapped in a tag. /fizzBuzz Only GET requests are allowed. This endpoint will respond with the HTML content type. This endpoint will take two required query parameters: start and end. The endpoint will iterate from start to end and for each number it will: Show “Fizz” if the number is divisible by 3. Show “Buzz” if the number is divisible by 5. Show “FizzBuzz” if the number is divisible by both 3 and 5. Show the number if it is not divisible by 3 or 5. Each iteration output should be on a new line. For example, if start is 9 and end is 16, the output would look like this: Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 The response body should be the string wrapped in a tag. /gradeStats Only GET requests are allowed. This endpoint will respond with the JSON content type. This endpoint will take an array parameter, grades, that requires at least one value. The program should return JSON containing the minimum and maximum values in the array as well as the average. For example, if the grades entered are 88, 73, 97, 87 the endpoint should return:{"average":"86.25","minimum":"73","maximum":"97"} /rectangle Only GET requests are allowed. This endpoint will respond with the JSON content type. This endpoint will take two required parameters: length and width. This endpoint should return JSON containing the perimeter and area. For example, if length is 2 and width is 4, the endpoint should return: {"area":"8","perimeter":"12"}

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Related questions

Question

Create a node server with the following requirements:

Use the dotenv package to manage your development environment variables.

PORT should be 3000
HOST should be localhost

Endpoints

/dotted

Only GET requests are allowed.
This endpoint will respond with the HTML content type.
This endpoint will take two required query parameters: word1 and word2.
The endpoint will take the two words and create a string that is the two words separated by enough “.” characters to make the length of the string 30.

For example if word1 is “turtle” and word2 is “153” the output should be: turtle.....................153

The response body should be the string wrapped in a <pre> tag.

/fizzBuzz

Only GET requests are allowed.
This endpoint will respond with the HTML content type.
This endpoint will take two required query parameters: start and end.
The endpoint will iterate from start to end and for each number it will:

Show “Fizz” if the number is divisible by 3.
Show “Buzz” if the number is divisible by 5.
Show “FizzBuzz” if the number is divisible by both 3 and 5.
Show the number if it is not divisible by 3 or 5.
Each iteration output should be on a new line.
For example, if start is 9 and end is 16, the output would look like this:

Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16

The response body should be the string wrapped in a <pre> tag.

/gradeStats

Only GET requests are allowed.
This endpoint will respond with the JSON content type.
This endpoint will take an array parameter, grades, that requires at least one value.
The program should return JSON containing the minimum and maximum values in the array as well as the average.
For example, if the grades entered are 88, 73, 97, 87 the endpoint should return:{"average":"86.25","minimum":"73","maximum":"97"}

/rectangle

Only GET requests are allowed.
This endpoint will respond with the JSON content type.
This endpoint will take two required parameters: length and width.
This endpoint should return JSON containing the perimeter and area.
For example, if length is 2 and width is 4, the endpoint should return: {"area":"8","perimeter":"12"}

Expert Solution

Step 1: Here is an implement the node server with the given requirements using express

Here is an example code to implement the node server with the given requirements using express:

CODE in javascript:

const express = require("express");
const dotenv = require("dotenv");

dotenv.config();

const app = express();
const PORT = process.env.PORT || 3000;
const HOST = process.env.HOST || "localhost";

app.get("/dotted", (req, res) => {
const word1 = req.query.word1;
const word2 = req.query.word2;
const dots = ".".repeat(30 - word1.length - word2.length);
const response = `<pre>${word1}${dots}${word2}</pre>`;
res.contentType("text/html");
res.send(response);
});

app.get("/fizzBuzz", (req, res) => {
const start = parseInt(req.query.start);
const end = parseInt(req.query.end);
let response = "";
for (let i = start; i <= end; i++) {
if (i % 3 === 0 && i % 5 === 0) {
response += "FizzBuzz\n";
} else if (i % 3 === 0) {
response += "Fizz\n";
} else if (i % 5 === 0) {
response += "Buzz\n";
} else {
response += `${i}\n`;
}
}
res.contentType("text/html");
res.send(`<pre>${response}</pre>`);
});

app.get("/gradeStats", (req, res) => {
const grades = req.query.grades.map(grade => parseInt(grade));
const average = grades.reduce((a, b) => a + b, 0) / grades.length;
const minimum = Math.min(...grades);
const maximum = Math.max(...grades);
const response = { average: average.toFixed(2), minimum, maximum };
res.contentType("application/json");
res.send(response);
});

app.get("/rectangle", (req, res) => {
const length = parseInt(req.query.length);
const width = parseInt(req.query.width);
const area = length * width;
const perimeter = 2 * (length + width);
const response = { area, perimeter };
res.contentType("application/json");
res.send(response);
});

app.listen(PORT, HOST, () => {
console.log(`Server running at http://${HOST}:${PORT}`);
});

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