docs: update usage of --file

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

README.md

@@ -23,7 +23,7 @@ Once installed, you can use it like the following examples.
 using a mbtiles file
 ```bash
 wget https://github.com/maptiler/tileserver-gl/releases/download/v1.3.0/zurich_switzerland.mbtiles
-tileserver-gl --mbtiles zurich_switzerland.mbtiles
+tileserver-gl --file zurich_switzerland.mbtiles
 [in your browser, visit http://[server ip]:8080]
 ```
 
@@ -44,7 +44,7 @@ An alternative to npm to start the packed software easier is to install [Docker]
 Example using a mbtiles file
 ```bash
 wget https://github.com/maptiler/tileserver-gl/releases/download/v1.3.0/zurich_switzerland.mbtiles
-docker run --rm -it -v $(pwd):/data -p 8080:8080 maptiler/tileserver-gl --mbtiles zurich_switzerland.mbtiles
+docker run --rm -it -v $(pwd):/data -p 8080:8080 maptiler/tileserver-gl --file zurich_switzerland.mbtiles
 [in your browser, visit http://[server ip]:8080]
 ```
 

docs/usage.rst

@@ -6,28 +6,32 @@ Getting started
 ======
 ::
 
-  Usage: main.js tileserver-gl [mbtiles] [options]
+  Usage: main.js tileserver-gl [file] [options]
 
   Options:
-
-    -h, --help            output usage information
-    --mbtiles <file>      MBTiles file (uses demo configuration);
+    --file <file>             MBTiles or PMTiles file
                                 ignored if the configuration file is also specified
-    -c, --config <file>   Configuration file [config.json]
+    --mbtiles <file>          (DEPRECIATED) MBTiles file
+                                ignored if file is also specified
+                                ignored if the configuration file is also specified
+    -c, --config <file>       Configuration file [config.json] (default: "config.json")
     -b, --bind <address>      Bind address
-    -p, --port <port>     Port [8080]
+    -p, --port <port>         Port [8080] (default: 8080)
     -C|--no-cors              Disable Cross-origin resource sharing headers
     -u|--public_url <url>     Enable exposing the server on subpaths, not necessarily the root of the domain
     -V, --verbose             More verbose output
     -s, --silent              Less verbose output
-    -v, --version         Version info
+    -l|--log_file <file>      output log file (defaults to standard out)
+    -f|--log_format <format>  define the log format:  https://github.com/expressjs/morgan#morganformat-options
+    -v, --version             output the version number
+    -h, --help                display help for command
 
 
 Default preview style and configuration
 ======
 
 - If no configuration file is specified, a default preview style (compatible with openmaptiles) is used.
-- If no mbtiles file is specified (and is not found in the current working directory), a sample file is downloaded (showing the Zurich area)
+- If no data file is specified (and is not found in the current working directory), a sample file is downloaded (showing the Zurich area)
 
 Reloading the configuration
 ======