Update server-setup-and-configuration.md

extended the server setup text

Author: jonashrem

server-setup-and-configuration.md

@@ -13,7 +13,9 @@ Before setting up the server, make sure it meets the following minimum requireme
 - Operating System: Linux, preferably CentOS or Ubuntu.
 - Web Server: Apache or Nginx.
 - Database Server: MySQL or MariaDB.
-- PHP: Version 8.1 or later, with necessary extensions for Magento 2.
+- PHP: Version 8.1 or later, with the necessary extensions for Magento 2.
+- Search Engine: Opensearch ( recommended ) or Elasticsearch
+- composer
 
 ## Software Stack
 
@@ -24,10 +26,19 @@ Choose either Apache or Nginx as your web server. Here's an example of installin
 ```bash
 $ sudo apt update
 $ sudo apt install apache2
+$ a2enmod rewrite headers ssl expires brotli
 ```
 
 After installation, configure Apache by editing the main configuration file located at `/etc/apache2/apache2.conf`.
 
+Most of the Apache2 settings are done by Magentos .htaccess file for Apache2. There are some things you should consider.
+
+* Make sure to enable deflate and brotli for compression.
+Set up an SSL certificate and redirect to SSL. You can use [let's encrypt](https://letsencrypt.org/de/) or similar services for a free SSL certificate.
+* Make sure, to use a PHP process manager like php-fpm or nginx-unit and set up enough PHP processes for your expected traffic.
+
+As nginx can't parse the .htaccess file, you need to set up with a magento configuration. You can use the one [provided by magento](https://github.com/mage-os/mageos-magento2/blob/2.4-develop/nginx.conf.sample).
+
 ### Database Server
 
 Choose either MySQL or MariaDB as your database server. Here's an example of installing and configuring MySQL:
@@ -39,38 +50,59 @@ $ sudo apt install mysql-server
 
 During the installation, you will be prompted to set the root password for MySQL. Make sure to choose a strong password.
 
+Make sure to use MySQL 8.0 or later.
+
+If your operating system, doesn't support MySQL 8.0, install the software  repositories provided by MySQL.
+
 ### PHP
 
-Magento 2 requires PHP 8.1 or later. Here's an example of installing PHP and necessary extensions:
+Magento 2 requires PHP 8.1 or later. Here's an example of installing PHP and the necessary extensions:
 
 ```bash
 $ sudo apt update
-$ sudo apt install php8.1 php8.1-cli php8.1-fpm php8.1-mysql php8.1-curl php8.1-gd php8.1-intl php8.1-mbstring php8.1-xml php8.1-zip
+$ sudo apt install php8.2 php8.2-apcu php8.2-amqp php8.2-bcmath php8.2-bz2 php8.2-cli php8.2-common php8.2-curl php8.2-dba php8.2-fpm php8.2-gd php8.2-igbinary php8.2-imagick php8.2-imap php8.2-intl php8.2-mbstring php8.2-memcached php8.2-msgpack php8.2-mysql php8.2-opcache php8.2-phpdbg php8.2-redis php8.2-soap php8.2-sqlite3 php8.2-xml php8.2-zip
 ```
 
-After installation, update the PHP configuration file located at `/etc/php/8.1/apache2/php.ini` and make the necessary
+After installation, update the PHP configuration file located at `/etc/php/8.2/fpm/php.ini` and make the necessary
 changes.
 
+To keep up to date with PHP, you should take a look at the repository provided by [Ondřej Surý](https://deb.sury.org/)
+
+### composer
+
+Fetch the latest composer.phar for https://getcomposer.org/download/
+
+### searchengine
+
+By default, Magento requires Opensearch or Elasticsearch as a search engine. 
+
+As Elasticsearch changed its licensing model to a non open-source license with 7.17, it won't be provided by most providers of managed hostings in most version.
+
+Instead, you can use the [opensearch](https://opensearch.org/) fork which provides updates under the Apache 2.0 license. You can download it, from the [opensearch homepage](https://opensearch.org/downloads.html)
+
 ## Server Setup
 
 ### Installing and Configuring the Web Server
 
 1. Install the chosen web server software (Apache or Nginx) as described in the previous section.
 2. Configure the web server to listen on the appropriate IP address and port.
-3. Set up virtual hosts to point to your Magento 2 installation directory.
+3. Set up virtual hosts to point to the pub folder inside your Magento 2 installation directory.
 4. Enable necessary modules and configurations, such as SSL/TLS, if required.
 
-### Setting up the Database Server
+### Setting up the database Server
 
 1. Install the chosen database server software (MySQL or MariaDB) as described in the previous section.
 2. Secure the database server by running the security script provided by the database software.
 3. Create a new database and database user for Magento 2, and grant the necessary privileges to the user.
+4. It's recommended to increase the InnoDB Buffer pool to make use of your available memory on production servers.
 
 ### Configuring PHP
 
 1. Update the PHP configuration file (`php.ini`) to set the necessary values.
 2. Adjust PHP settings related to memory limits, file uploads, and execution time as needed.
 3. Make sure the required PHP extensions for Magento 2 are enabled.
+4. For production servers, make sure to increase the PHP Opcache for performance.
+   
 
 ## Magento 2 Specific Configuration
 
@@ -96,13 +128,17 @@ $ sudo a2enmod rewrite
 $ sudo service apache2 restart
 ```
 
-For Nginx, add the following configuration snippet within the `server` block:
+For Nginx, there is nothing special to do.
+
+### Optional components
+
+In addition to the requirements, there are some optional components you can install:
+
+* You can install varnish as an FPC before magento, for high-performance shops.
+* You can move sessions and magento cache inside a Redis instance. You should use this when you plan to use more than one server.
+* You can use RabbitMQ as an alternative message queue.
+You can move the lock provider from the database to zookeeper. 
 
-```nginx
-location / {
-    try_files $uri $uri/ /index.php?$args;
-}
-```
 
 ## Conclusion