diff --git a/Dockerfile b/Dockerfile
index 39112b9..04e0be4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,13 @@ RUN docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp
 RUN docker-php-ext-install gd
 RUN docker-php-ext-configure imap --with-kerberos --with-imap-ssl
 RUN docker-php-ext-install imap
+RUN docker-php-ext-install opcache
 RUN a2enmod rewrite
 RUN a2enmod expires
 
+RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
+ADD opcache.ini /usr/local/etc/php/conf.d/opcache.ini
+
 ADD freescout-dist /var/www/html
 RUN chown -R www-data:www-data /var/www/html/
 ADD apache2.conf /etc/apache2/sites-enabled/000-default.conf
diff --git a/opcache.ini b/opcache.ini
new file mode 100644
index 0000000..746a515
--- /dev/null
+++ b/opcache.ini
@@ -0,0 +1,5 @@
+opcache.memory_consumption=128
+opcache.interned_strings_buffer=8
+opcache.max_accelerated_files=4000
+opcache.revalidate_freq=60
+opcache.enable_cli=1