Update README.md

Author: damalis

README.md

@@ -34,9 +34,15 @@ Create rules to open ports to the internet, or to a specific IPv4 address or ran
 
 - [Auto Configuration and Installation](#automatic)
 - [Requirements](#requirements)
-- [Configuration](#configuration)
-- [Installation](#installation)
+- [Manual Configuration and Installation](#manual)
+- [Portainer Installation](#portainer)
 - [Usage](#usage)
+	- [Website](#website)
+	- [Webserver](#webserver)
+	- [Redis Plugin](#redis-plugin)
+	- [Cache](#cache)
+	- [phpMyAdmin](#phpmyadmin)
+	- [backup](#backup)
 
 ## Automatic
 
@@ -67,7 +73,9 @@ Clone this repository or copy the files from this repository into a new folder.
 
 Make sure to [add your user to the `docker` group](https://docs.docker.com/install/linux/linux-postinstall/#manage-docker-as-a-non-root-user).
 
-## Configuration
+## Manual   
+
+### Configuration
 
 download with
 ```
@@ -80,8 +88,6 @@ Open a terminal and `cd` to the folder in which `docker-compose.yml` is saved an
 cd full-stack-nginx-codeigniter-for-everyone-with-docker-compose
 ```
 
-### Manual
-
 Copy the example environment into `.env`
 
 ```
@@ -102,9 +108,7 @@ cp ./phpmyadmin/apache2/sites-available/default-ssl.sample.conf ./phpmyadmin/apa
 
 change example.com to your domain name in ```./phpmyadmin/apache2/sites-available/default-ssl.conf``` file.
 
-## Installation
-
-### Manual
+### Installation
 
 Firstly: will create external volume
 
@@ -126,7 +130,7 @@ The containers are now built and running. You should be able to access the CodeI
 
 For convenience you may add a new entry into your hosts file.
 
-### Installation Portainer
+## Portainer
 
 ```
 docker volume create portainer_data
@@ -164,7 +168,7 @@ docker-compose stop
 
 ### Removing containers
 
-To stop and remove all the containers use the`down` command:
+To stop and remove all the containers use the `down` command:
 
 ```
 docker-compose down
@@ -197,6 +201,10 @@ You can now use the `up` command:
 docker-compose up -d
 ```
 
+#### Docker run reference
+
+[https://docs.docker.com/engine/reference/run/](https://docs.docker.com/engine/reference/run/)
+
 ### Website
 
 You should see the "Welcome to CodeIgniter..." page in your browser. If not, please check if your PHP installation satisfies CodeIgniter's requirements.
@@ -205,20 +213,18 @@ You should see the "Welcome to CodeIgniter..." page in your browser. If not, ple
 https://example.com
 ```
 
-add or remove code in the ```./php-fpm/php/conf.d/security.ini``` file for custom php.ini configurations
+add or remove code in the ./php-fpm/php/conf.d/security.ini file for custom php.ini configurations
 
-Copy and paste the following code in the ```./php-fpm/php-fpm.d/z-www.conf``` file for php-fpm configurations at 1Gb Ram Host
+[https://www.php.net/manual/en/configuration.file.php](https://www.php.net/manual/en/configuration.file.php)
 
-```
-pm.max_children = 19
-pm.start_servers = 4
-pm.min_spare_servers = 2
-pm.max_spare_servers = 4
-pm.max_requests = 1000
-```
+Copy and paste the following code in the ./php-fpm/php-fpm.d/z-www.conf file for php-fpm configurations at 1Gb Ram Host
 
 Or you should make changes custom host configurations then must restart service
 
+FPM uses php.ini syntax for its configuration file - php-fpm.conf, and pool configuration files.
+
+[https://www.php.net/manual/en/install.fpm.configuration.php](https://www.php.net/manual/en/install.fpm.configuration.php)
+
 ```
 docker container restart codeigniter
 ```
@@ -241,6 +247,12 @@ $config['port'] = 6379;
 $config['timeout'] = 0;
 ```
 
+#### Cache
+
+CodeIgniter features wrappers around some of the most popular forms of fast and dynamic caching. All but file-based caching require specific server requirements, and a Fatal Exception will be thrown if server requirements are not met.
+
+[https://codeigniter.com/userguide3/libraries/caching.html](https://codeigniter.com/userguide3/libraries/caching.html)
+
 ### phpMyAdmin
 
 You can add your own custom config.inc.php settings (such as Configuration Storage setup) by creating a file named config.user.inc.php with the various user defined settings in it, and then linking it into the container using: