diff --git a/derived_images/portus/init b/derived_images/portus/init
index a59062c..fd62cd2 100755
--- a/derived_images/portus/init
+++ b/derived_images/portus/init
@@ -12,6 +12,10 @@
 
 set -e
 
+export PORTUS_PRODUCTION_PASSWORD="${PORTUS_PRODUCTION_PASSWORD:-$(cat $PORTUS_PRODUCTION_PASSWORD_FILE)}"
+export PORTUS_SECRET_KEY_BASE="${PORTUS_SECRET_KEY_BASE:-$(cat $PORTUS_SECRET_KEY_BASE_FILE)}"
+export PORTUS_PASSWORD="${PORTUS_PASSWORD:-$(cat $PORTUS_PASSWORD_FILE)}"
+
 setup_database() {
   set +e