diff --git a/Dockerfile b/Dockerfile
index 67bd6a4..6bb0481 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,3 +8,5 @@ RUN mkdir ${WEBROOT} && mkdir /storage
 VOLUME ["/storage"]
 
 COPY share_v2.php ${WEBROOT}
+
+ENTRYPOINT /entrypoint.sh
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..e840522
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+sed -i -e "s/^\(\$CONFIG_STORE_DIR = \).*/\1'\/storage'/" /webroot/share_v2.php
+sed -i -e "s/^\(\$CONFIG_SECRET = \).*/\1'${SECRET_KEY}'/" /webroot/share_v2.php
+
+exec "/start.sh"