diff --git a/docker-compose.yml b/docker-compose.yml
index dd5f35d..b0d18b1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,7 +19,9 @@ services:
       - '3306'
 
   php-fpm:
-    image: php:7-fpm
+    build:
+      context: .
+      dockerfile: php-fpm.dockerfile
     container_name: php-fpm
     depends_on:
       - mariadb
diff --git a/php-fpm.dockerfile b/php-fpm.dockerfile
new file mode 100644
index 0000000..a3fc47e
--- /dev/null
+++ b/php-fpm.dockerfile
@@ -0,0 +1,2 @@
+FROM php:7-fpm
+RUN docker-php-ext-install mbstring pdo pdo_mysql
\ No newline at end of file