diff --git a/.env.docker b/.env.docker
new file mode 100644
index 0000000..cc98b3f
--- /dev/null
+++ b/.env.docker
@@ -0,0 +1,2 @@
+APP_ENV=prod
+APP_SECRET=secret
diff --git a/docker/Dockerfile.prod b/docker/Dockerfile.prod
index d903427..f1f2133 100644
--- a/docker/Dockerfile.prod
+++ b/docker/Dockerfile.prod
@@ -5,6 +5,7 @@ RUN tar -xvjf /tmp/*.tar.bz2 -C /var/www/html/ && \
 
 # Add the application configuration files
 COPY config/packages/parameters.yaml.dist config/packages/parameters.yaml
+COPY .env.docker .env
 
 # Add the config files for Apache2
 RUN rm -rf /etc/apache2/sites-enabled/*