Added Basic server setup in Backend Development

gdscmuet · Oct 21, 2021 · 63f1d5f · 63f1d5f
1 parent d024e65
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diff --git a/Backend Development/Server Setup/index.js b/Backend Development/Server Setup/index.js
@@ -0,0 +1,49 @@
+const http = require('http');
+
+const server = http.createServer(/* callback function */ (req, res) => {
+    res.writeHead(200, {'Content-Type': 'text/html'}); // For every request the response's content will be in html or plain text
+    res.write(`
+    <head>
+        <title>Basic server setup in NodeJS</title>
+    </head>
+    `); // What ever is given to write method will be the content of web page
+
+    const { url } = req;
+    if(url === '/'){
+        res.write(`
+        <body>
+            <h1>Home page</h1>
+            <p>Welcome to my nodejs application.</p>
+        </body>
+        `); // You can use write method as many times as you want, but you can't after end method.
+    }
+    else if(url === '/about'){
+        res.write(`
+        <body>
+            <h1>About page</h1>
+            <p>Want to know about my web page! It's built in NodeJS.</p>
+        </body>
+        `);
+    }
+    else if(url === '/contact'){
+        res.write(`
+        <body>
+            <h1>Contact page</h1>
+            <p>You can reach me at [email protected].</p>
+        </body>
+        `);
+    }
+    else {
+        res.write(`
+        <body>
+            <h1>404, page not found</h1>
+        </body>
+        `);
+    }
+
+    res.end(); // end function is important for every request and response cycle to complete, else browser will be loading the response infinitely until the timeout. 
+});
+
+server.listen(/* port */ 3000,  /* callback function */ function() { // The server listens on port 3000, when ready the callback function will be executed
+    console.log('Server listening on port 3000.... navigate to http://localhost:3000/');
+});
diff --git a/Backend Development/Server Setup/package.json b/Backend Development/Server Setup/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "server-setup",
+  "version": "1.0.0",
+  "description": "A basic server setup in NodeJS",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
+  },
+  "author": "Abdul Aziz Khoso",
+  "license": "ISC"
+}