diff --git a/Dockerfile b/Dockerfile
index 42b736c..bd52ce3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,8 +32,9 @@ COPY config/nginx.conf /etc/nginx/nginx.conf
 COPY config/conf.d /etc/nginx/conf.d/
 
 # Configure PHP-FPM
-COPY config/fpm-pool.conf /etc/php82/php-fpm.d/www.conf
-COPY config/php.ini /etc/php82/conf.d/custom.ini
+ENV PHP_INI_DIR /etc/php82
+COPY config/fpm-pool.conf ${PHP_INI_DIR}/php-fpm.d/www.conf
+COPY config/php.ini ${PHP_INI_DIR}/conf.d/custom.ini
 
 # Configure supervisord
 COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf