diff --git a/Dockerfile b/Dockerfile
index 107362a3..ba97bfbf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,5 +11,8 @@ RUN openssl req -x509 -nodes -days 99999 -newkey rsa:4096 -subj "/CN=standardebo
 
 RUN a2enmod headers expires ssl rewrite proxy proxy_fcgi
 
+# Disable opcaching for dynamic PHP reloading
+RUN echo "opcache.enable=0\n" >> /etc/php/7.4/fpm/php.ini
+
 EXPOSE 443
 ENTRYPOINT ["/standardebooks.org/web/scripts/docker/start-server.sh"]
diff --git a/README.md b/README.md
index 15a20298..4b220293 100644
--- a/README.md
+++ b/README.md
@@ -74,14 +74,6 @@ docker run -dp 443:443 -v "$(pwd):/standardebooks.org/web" standardebooks:latest
 
 The site will now be available at `https://localhost/`, although as it’s a self-signed certificate you’ll need to accept whatever browser security warnings come up.
 
-If you make a change to the PHP and want to see that reflected in the site, then you’ll need to restart PHP. Connect to your container and run:
-
-```shell
-service php7.4-fpm restart
-```
-
-Changes to CSS do not require any service restart.
-
 # Filesystem layout
 
 -   `/standardebooks.org/ebooks/` contains one directory per SE ebook, arranged in a flat hierarchy. These directories look like the URL-safe identifier for the ebook, end in `.git`, and are bare Git repos; they are the “source of truth” for SE ebooks.