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kodekloudhub/learning-app-ecommerce

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license: 暂无

Language: SCSS .

A sample e-commerce learning app

GitHub网址

Introduction

This is a sample e-commerce application built for learning purposes.

Here's how to deploy it on CentOS systems:

Deploy Pre-Requisites

  1. Install FirewallD
sudo yum install -y firewalld
sudo systemctl start firewalld
sudo systemctl enable firewalld
sudo systemctl status firewalld

Deploy and Configure Database

  1. Install MariaDB
sudo yum install -y mariadb-server
sudo vi /etc/my.cnf
sudo systemctl start mariadb
sudo systemctl enable mariadb
  1. Configure firewall for Database
sudo firewall-cmd --permanent --zone=public --add-port=3306/tcp
sudo firewall-cmd --reload
  1. Configure Database
$ mysql
MariaDB > CREATE DATABASE ecomdb;
MariaDB > CREATE USER 'ecomuser'@'localhost' IDENTIFIED BY 'ecompassword';
MariaDB > GRANT ALL PRIVILEGES ON *.* TO 'ecomuser'@'localhost';
MariaDB > FLUSH PRIVILEGES;

ON a multi-node setup remember to provide the IP address of the web server here: 'ecomuser'@'web-server-ip'

  1. Load Product Inventory Information to database

Create the db-load-script.sql

cat > db-load-script.sql <<-EOF
USE ecomdb;
CREATE TABLE products (id mediumint(8) unsigned NOT NULL auto_increment,Name varchar(255) default NULL,Price varchar(255) default NULL, ImageUrl varchar(255) default NULL,PRIMARY KEY (id)) AUTO_INCREMENT=1;

INSERT INTO products (Name,Price,ImageUrl) VALUES ("Laptop","100","c-1.png"),("Drone","200","c-2.png"),("VR","300","c-3.png"),("Tablet","50","c-5.png"),("Watch","90","c-6.png"),("Phone Covers","20","c-7.png"),("Phone","80","c-8.png"),("Laptop","150","c-4.png");

EOF

Run sql script


sudo mysql < db-load-script.sql

Deploy and Configure Web

  1. Install required packages
sudo yum install -y httpd php php-mysqlnd
sudo firewall-cmd --permanent --zone=public --add-port=80/tcp
sudo firewall-cmd --reload
  1. Configure httpd

Change DirectoryIndex index.html to DirectoryIndex index.php to make the php page the default page

sudo sed -i 's/index.html/index.php/g' /etc/httpd/conf/httpd.conf
  1. Start httpd
sudo systemctl start httpd
sudo systemctl enable httpd
  1. Download code
sudo yum install -y git
sudo git clone https://github.com/kodekloudhub/learning-app-ecommerce.git /var/www/html/
  1. Create and Configure the .env File

    Create an .env file in the root of your project folder.

    cat > /var/www/html/.env <<-EOF
    DB_HOST=localhost
    DB_USER=ecomuser
    DB_PASSWORD=ecompassword
    DB_NAME=ecomdb
    EOF
    
    
  2. Update index.php

    Update the index.php file to load the environment variables from the .env file and use them to connect to the database.

    <?php
    // Function to load environment variables from a .env file
    function loadEnv($path)
    {
        if (!file_exists($path)) {
            return false;
        }
    
        $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
        foreach ($lines as $line) {
            if (strpos(trim($line), '#') === 0) {
                continue;
            }
    
            list($name, $value) = explode('=', $line, 2);
            $name = trim($name);
            $value = trim($value);
            putenv(sprintf('%s=%s', $name, $value));
        }
        return true;
    }
    
    // Load environment variables from .env file
    loadEnv(__DIR__ . '/.env');
    
    // Retrieve the database connection details from environment variables
    $dbHost = getenv('DB_HOST');
    $dbUser = getenv('DB_USER');
    $dbPassword = getenv('DB_PASSWORD');
    $dbName = getenv('DB_NAME');
    
    ?>
    
    ON a multi-node setup, remember to provide the IP address of the database server in the .env file.
    
    
    
  3. Test

curl http://localhost

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