feat: Adding profiler for debugging

CONTRIBUTING.md

@@ -497,6 +497,18 @@ If you are in PHP Storm you don't need any plugin. Below are the settings requir
 2. If needed edit the **dev/xdebug.ini** file to your needs.
 3. Launch your Appwrite instance while your debugger is listening for connections.
 
+## Profiling
+Appwrite uses XDebug [Profiler](https://xdebug.org/docs/profiler) for generating **CacheGrind** files. The generated file would be located in each of the `appwrite` containers inside the `/tmp/xdebug` folder.
+
+To disable the profiler while debugging remove the `,profiler` mode from the `xdebug.ini` file
+```diff
+zend_extension=xdebug
+
+[xdebug]
+-xdebug.mode=develop,debug,profile
++xdebug.mode=develop,debug
+```
+
 ### VS Code Launch Configuration
 
 ```json

Dockerfile

@@ -108,9 +108,10 @@ RUN mkdir -p /etc/letsencrypt/live/ && chmod -Rf 755 /etc/letsencrypt/live/
 
 # Enable Extensions
 RUN if [ "$DEBUG" == "true" ]; then cp /usr/src/code/dev/xdebug.ini /usr/local/etc/php/conf.d/xdebug.ini; fi
+RUN if [ "$DEBUG" == "true" ]; then mkdir -p /tmp/xdebug; fi
 RUN if [ "$DEBUG" = "false" ]; then rm -rf /usr/src/code/dev; fi
 RUN if [ "$DEBUG" = "false" ]; then rm -f /usr/local/lib/php/extensions/no-debug-non-zts-20220829/xdebug.so; fi
 
 EXPOSE 80
 
-CMD [ "php", "app/http.php" ]
+CMD [ "php", "app/http.php" ]

dev/xdebug.ini

@@ -1,6 +1,8 @@
 zend_extension=xdebug
 
 [xdebug]
-xdebug.mode=develop,debug
+xdebug.mode=develop,debug,profile
 xdebug.client_host=host.docker.internal
-xdebug.start_with_request=yes
+xdebug.start_with_request=yes
+xdebug.output_dir=/tmp/xdebug
+xdebug.use_compression=false