diff --git a/Dockerfile b/Dockerfile
index 1e9ca35f..33a4ad8c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,11 +6,9 @@ RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 RUN mkdir /standardebooks.org
 RUN mkdir /standardebooks.org/web
+RUN mkdir /standardebooks.org/web/config
+RUN mkdir /standardebooks.org/web/config/ssl
 RUN mkdir /var/log/local
-COPY . /standardebooks.org/web
-
-WORKDIR /standardebooks.org/web
-RUN composer install
 
 RUN openssl req -x509 -nodes -days 99999 -newkey rsa:4096 -subj "/CN=standardebooks.test" -keyout /standardebooks.org/web/config/ssl/standardebooks.test.key -sha256 -out /standardebooks.org/web/config/ssl/standardebooks.test.crt
 
diff --git a/README.md b/README.md
index 23fb9f9e..4b220293 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ docker build . -t standardebooks
 Then run the built image with:
 
 ```shell
-docker run -dp 443:443 standardebooks:latest
+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.
diff --git a/scripts/docker/start-server.sh b/scripts/docker/start-server.sh
index 485087f1..5edc8ec5 100755
--- a/scripts/docker/start-server.sh
+++ b/scripts/docker/start-server.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+cd /standardebooks.org/web
+composer install
+
 ln -s /standardebooks.org/web/config/apache/standardebooks.test.conf /etc/apache2/sites-available/
 ln -s /standardebooks.org/web/config/php/fpm/standardebooks.org.ini /etc/php/*/cli/conf.d/
 ln -s /standardebooks.org/web/config/php/fpm/standardebooks.org.ini /etc/php/*/fpm/conf.d/