updated README

Author: agrzegorzewski

example/symfony64/README.md

@@ -2,17 +2,47 @@
 
 This example shows how to integrate BugSnag with Symfony 6.  Full instructions on how to set BugSnag up with Symfony can be found in [the official BugSnag documentation](https://docs.bugsnag.com/platforms/php/symfony/).
 
+## Using Docker
 
-## Installing dependencies
+This example comes with a `Dockerfile` you can use to run the project.
+Please first build the image:
+
+```shell
+docker build -t bugsnag-symfony6 .
+```
+
+Then run the container:
+
+```shell
+docker run -it --rm -p 8000:8000 bugsnag-symfony6
+```
+
+You can then access the application at [http://localhost:8000](http://localhost:8000).
+
+## Manual installation
 
 1. Install composer, following the instructions provided in the [composer documentation](http://getcomposer.org/doc/01-basic-usage.md)
 
-2. Install BugSnag using composer
+2. Install dependencies using composer
 
     ```shell
     composer install
     ```
 
+### Running the example
+
+To run the example:
+
+```shell
+symfony server:start
+```
+
+Or for the command example:
+
+```shell
+php bin/console app:crash
+```
+
 ## Configuring BugSnag
 
 There are two ways of configuring your BugSnag client.
@@ -27,13 +57,14 @@ bugsnag:
 
 2. Use environment variables.  In this example you can set the `BUGSNAG_API_KEY` environment variable to your api key. This can also be set in the applications `.env` file:
 
-```
+```env
 BUGSNAG_API_KEY=YOUR_API_KEY_HERE
 ```
 
 More information about configuring BugSnag can be found in [the configuration section of the BugSnag documentation](https://docs.bugsnag.com/platforms/php/symfony/configuration-options/).
 
 In Symfony 6 the BugSnag bundle should be automatically registered in the `config/bundles.php` file:
+
 ```php
 return [
     // ...
@@ -48,13 +79,15 @@ BugSnag will now be set up and ready to notify of any exceptions.
 In order to use BugSnag in any of your classes you will need to require it via dependency injection.
 
 In your services.yaml file, bind the Bugsnag\Client class to the @bugsnag service:
+
 ```yaml
 services:
     # resolve "Bugsnag\Client" to the BugSnag service
     Bugsnag\Client: '@bugsnag'
 ```
 
 Any of your classes requiring BugSnag can use the type Bugsnag\Client to access it:
+
 ```php
 private $bugsnag;
 
@@ -65,17 +98,3 @@ public function __construct(\Bugsnag\Client $bugsnag)
 ```
 
 Which allows BugSnag to be used within the class as you would any other property.
-
-## Running the example
-
-To run the example:
-
-```shell
-symfony server:start
-```
-
-Or for the command example:
-
-```shell
-php bin/console app:crash
-```