diff --git a/docker-compose.yaml b/docker-compose.yaml
index c8eb85b..68c8745 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -5,6 +5,7 @@ services:
     build:
       context: ./docker/php
     volumes:
+      - ./docker/php/xdebug.ini:/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
       - .:/var/www
     depends_on:
       - database
diff --git a/docker/php/Dockerfile b/docker/php/Dockerfile
index cb277c1..946d512 100644
--- a/docker/php/Dockerfile
+++ b/docker/php/Dockerfile
@@ -4,7 +4,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     unzip \
     && rm -rf /var/lib/apt/lists/*
 
-RUN docker-php-ext-install pdo_mysql opcache bcmath
+RUN pecl install xdebug-3.3.2 \
+    && docker-php-ext-enable xdebug \
+    && docker-php-ext-install pdo_mysql opcache bcmath
 
 # https://getcomposer.org/doc/03-cli.md#composer-allow-superuser
 ENV COMPOSER_ALLOW_SUPERUSER=1
diff --git a/docker/php/xdebug.ini b/docker/php/xdebug.ini
new file mode 100644
index 0000000..d3b509d
--- /dev/null
+++ b/docker/php/xdebug.ini
@@ -0,0 +1,4 @@
+zend_extension=xdebug
+xdebug.mode=debug
+xdebug.start_with_request=yes
+xdebug.client_host=host.docker.internal