Implementation Blueprint

# Update system
sudo apt update && sudo apt upgrade -y

# Install LEMP stack dependencies
sudo apt install nginx mariadb-server php-fpm php-mysql php-curl php-gd php-mbstring php-intl unzip git -y

# Install Composer
sudo apt install composer -y

# Clone PrestaShop repository
git clone https://github.com/PrestaShop/PrestaShop.git /var/www/html/prestashop
cd /var/www/html/prestashop

# Set permissions
chown -R www-data:www-data /var/www/html/prestashop
chmod -R 755 /var/www/html/prestashop

# Install dependencies via Composer
composer install

# Launch PrestaShop setup via web browser at https://store.yourdomain.com

version: '3.8'
services:
  prestashop:
    image: prestashop/prestashop:latest
    container_name: prestashop
    restart: always
    environment:
      DB_SERVER: db
      PS_DEV_MODE: "0"
      PS_HOST_MODE: "1"
    ports:
      - "8080:80"
    volumes:
      - ./prestashop-data:/var/www/html
    depends_on:
      - db

  db:
    image: mariadb:10.5
    container_name: prestashop-db
    environment:
      MYSQL_ROOT_PASSWORD: StrongRootPassword
      MYSQL_DATABASE: prestashop
      MYSQL_USER: prestashop_user
      MYSQL_PASSWORD: StrongPasswordHere
    volumes:
      - ./mysql-data:/var/lib/mysql

server {
    listen 80;
    server_name store.yourdomain.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name store.yourdomain.com;

    ssl_certificate /etc/letsencrypt/live/store.yourdomain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/store.yourdomain.com/privkey.pem;

    location / {
        proxy_pass http://localhost:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# Backup database
mysqldump -u prestashop_user -p prestashop > /backup/prestashop_db_$(date +%F).sql

# Backup media and configuration files
rsync -av ./prestashop-data /backup/prestashop-data/