Update config docs

Author: GromNaN

README.md

@@ -42,6 +42,8 @@ OPENAI_API_KEY=sk-...
 OPENAI_ORGANIZATION=...
 ```
 
+For more configuration options, take a look at the [Configuration Reference](#configuration-reference).
+
 Finally, you may use the `openai` service to access the OpenAI API:
 
 ```php
@@ -57,6 +59,18 @@ echo $result['choices'][0]['text']; // an open-source, widely-used, server-side
 
 For usage examples, take a look at the [openai-php/client](https://github.com/openai-php/client) repository.
 
+## Configuration Reference
+
+The bundle provides the following configuration options, which you can set in your `config/packages/openai.yaml` file:
+
+```yaml
+openai:
+    api_key: '%env(OPENAI_API_KEY)%' # Your OpenAI API key (required)
+    organization: '%env(OPENAI_ORGANIZATION)%' # Your OpenAI organization ID (optional)
+    project: 'proj_...' # The project ID (optional)
+    base_uri: 'api.openai.com/v1' # The base URI for the OpenAI API (optional)
+```
+
 ---
 
 OpenAI PHP for Symfony is an open-sourced software licensed under the **[MIT license](https://opensource.org/licenses/MIT)**.

src/OpenAIBundle.php

@@ -25,29 +25,54 @@ public function configure(DefinitionConfigurator $definition): void
         $root = $definition->rootNode();
         assert($root instanceof ArrayNodeDefinition);
         $children = $root->children();
-        $children->scalarNode('api_key')->defaultValue('%env(OPENAI_API_KEY)%');
-        $children->scalarNode('organization')->defaultValue('%env(default::OPENAI_ORGANIZATION)%');
+        $children
+            ->scalarNode('api_key')
+            ->defaultValue('%env(OPENAI_API_KEY)%')
+            ->info('OpenAI API Key used to authenticate with the OpenAI API')
+            ->isRequired();
+        $children
+            ->scalarNode('organization')
+            ->info('OpenAI API Organization used to authenticate with the OpenAI API')
+            ->defaultValue('%env(default::OPENAI_ORGANIZATION)%')
+            ->info('');
+        $children
+            ->scalarNode('project')
+            ->defaultNull()
+            ->info('OpenAI API project');
+        $children
+            ->scalarNode('base_uri')
+            ->defaultNull()
+            ->info('OpenAI API base URL used to make requests. Defaults to: api.openai.com/v1');
     }
 
     /**
-     * @param  array{api_key: string, organization: string}  $config
+     * @param  array{api_key: string, organization: string, project: ?string, base_uri: ?string}  $config
      */
     public function loadExtension(array $config, ContainerConfigurator $container, ContainerBuilder $builder): void
     {
         $container->services()
             ->set('openai.http_client', Psr18Client::class)
-            ->arg(0, service('http_client'))
+            ->arg(0, service('http_client'));
 
+        $factory = $container->services()
             ->set(Factory::class)
             ->factory([\OpenAI::class, 'factory'])
             ->call('withHttpClient', [service('openai.http_client')])
             ->call('withHttpHeader', ['OpenAI-Beta', 'assistants=v2'])
             ->call('withApiKey', [$config['api_key']])
-            ->call('withOrganization', [$config['organization']])
+            ->call('withOrganization', [$config['organization']]);
+        if ($config['project']) {
+            $factory->call('withProject', [$config['project']]);
+        }
+        if ($config['base_uri']) {
+            $factory->call('withBaseUri', [$config['base_uri']]);
+        }
 
+        $container->services()
             ->set(Client::class)
-            ->factory([service(Factory::class), 'make'])
+            ->factory([service(Factory::class), 'make']);
 
+        $container->services()
             ->alias(ClientContract::class, Client::class)
             ->alias('openai', Client::class);
     }