Merge pull request #8 from wesleyhf/fixing-readme

Improving README

Author: dbpolito

README.md

@@ -1,7 +1,7 @@
-# Description
-
 ![CI/CD](https://github.com/kool-dev/docker-php/workflows/CI/CD/badge.svg)
 
+## Description
+
 Minimal PHP Docker image focused on Laravel applications. It's use is intended for [kool.dev](https://github.com/kool-dev/kool), but can fit in any other PHP use-case.
 
 ## Available Tags
@@ -52,19 +52,34 @@ Minimal PHP Docker image focused on Laravel applications. It's use is intended f
 
 ## Environment Variables
 
-- **ASUSER** - Changes the user id that executes the commands
-- **UID** - Changes the user id that executes the commands **(ignored if ASUSER is provided)**
-- **COMPOSER_ALLOW_SUPERUSER** - Allows composer to run with super user
-- **ENABLE_XDEBUG** - Enables the Xdebug extension **(only prod versions)**
-- **PHP_MEMORY_LIMIT** - Changes PHP memory limit
-- **PHP_MAX_INPUT_VARS** - Changes how many input variables may be accepted on PHP
-- **PHP_UPLOAD_MAX_FILESIZE** - Changes PHP maximum size of an uploaded file
-- **PHP_POST_MAX_SIZE** - Changes PHP max size of post data allowed
-- **PHP_MAX_EXECUTION_TIME** - Changes PHP maximum time is allowed to run a script
-- **PHP_FPM_LISTEN** - Changes the PORT address of the FastCGI requests
-- **PHP_FPM_MAX_CHILDREN** - Changes the number of child processes to be used on FPM
-- **PHP_FPM_REQUEST_TERMINATE_TIMEOUT** - Changes FPM timeout to serve a single request
-- **PHP_FPM_REQUEST_TERMINATE_TIMEOUT** - Changes FPM timeout to serve a single request
+Variable | Default Value | Description
+--- | --- | ---
+**ASUSER** | `0` | Changes the user id that executes the commands
+**UID** | `0` | Changes the user id that executes the commands **(ignored if ASUSER is provided)**
+**COMPOSER_ALLOW_SUPERUSER** | `1` | Allows composer to run with super user
+**COMPOSER_MEMORY_LIMIT** | `-1` | Changes composer memory limit
+**ENABLE_XDEBUG** | `false` | Enables the Xdebug extension
+**PHP_MEMORY_LIMIT** | `256M` | Changes PHP memory limit
+**PHP_MAX_INPUT_VARS** | `1000`  | Changes how many input variables may be accepted on PHP
+**PHP_UPLOAD_MAX_FILESIZE** | `25M` | Changes PHP maximum size of an uploaded file
+**PHP_POST_MAX_SIZE** | `25M` | Changes PHP max size of post data allowed
+**PHP_MAX_EXECUTION_TIME** | `30` | Changes PHP maximum time is allowed to run a script
+**PHP_FPM_LISTEN** | `9000` | Changes the PORT address of the FastCGI requests
+**PHP_FPM_MAX_CHILDREN** | `10` | Changes the number of child processes to be used on FPM
+**PHP_FPM_REQUEST_TERMINATE_TIMEOUT** | `60` | Changes FPM timeout to serve a single request
+
+### NGINX
+
+Variable | Default Value | Description
+--- | --- | ---
+**NGINX_LISTEN** | `80` | Changes the PORT address
+**NGINX_ROOT** | `/app/public` | Changes NGINX root directive
+**NGINX_INDEX** | `index.php` | Changes the index directive
+**NGINX_CLIENT_MAX_BODY_SIZE** | `25M` | Changes maximum allowed size of the client request body
+**NGINX_PHP_FPM** | `unix:/run/php-fpm.sock` | Changes the address of a FastCGI server
+**NGINX_FASTCGI_READ_TIMEOUT** | `60s` | Changes a timeout for reading a response from the FastCGI server
+**NGINX_FASTCGI_BUFFERS** | `8 8k` | Changes the number and size of the buffers used for reading a response
+**NGINX_FASTCGI_BUFFER_SIZE** | `16k` | Changes the size of the buffer used for reading the first part of the response received
 
 ## Usage