update readme

README.md

@@ -5,20 +5,40 @@ PHP 8 Server for [Nex Protocol](nex://piclog.blue/nex/info/specification.txt), b
 ## Install
 
 * `git clone https://github.com/YGGverse/next.git`
-* `cd next`
+* `cd next` - navigate the server directory
-* `composer update`
+* `composer update` - get latest dependencies
 
-## Start
+## NEX
+
+Optimal to serve static files
+
+For security reasons, next server prevents any access to the hidden files (started with dot)
+
+### Start
+
+Create as many servers as wanted by providing separated `host` and `port` using optional arguments
 
 ``` bash
-php src/nex.php\
+php src/nex.php host=127.0.0.1 port=1900 path=/target/dir
-    host=127.0.0.1\
-    port=1900\
-    path=/path/to/dir
 ```
 
-### Options
+#### Arguments
+
+##### Required
+
+* `path` - **absolute path** to the public directory
+
+##### Optional
 
-* `host` - optional string, `127.0.0.1` by default
+* `host` - `127.0.0.1` by default
-* `port` - optional int, `1900` by default
+* `port` - `1900` by default
-* `path` - required string, destination files location (public folder)
+* `file` - index **file name** that server try to open in path requested, disabled by default
+* `fail` - failure **file path** that contain template (e.g. `error.gmi`) for the error handler, `fail` text by default
+* `list` - show content listing in the requested directory (when index file not found or not defined), enabled by default
+* `size` - limit request length in bytes, `1024` by default
+* `dump` - dump server queries, keep argument value blank to disable, default mask: `[{time}] [{code}] {host}:{port} {path}`
+  * `{time}` - event time in `c` format
+  * `{code}` - formal response code: `1` - found, `0` - not found
+  * `{host}` - peer host
+  * `{port}` - peer port
+  * `{path}` - path requested