diff --git a/Dockerfile b/Dockerfile
index e26ea2e..a7338bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -138,6 +138,21 @@ ADD $SHBMD c:\\opt\\shibboleth-idp\\metadata
 #
 ###############################################################################
 
+# remove existing files from the installer so that secrets can propagate
+RUN del c:\opt\shibboleth-idp\conf\idp.properties
+RUN del c:\opt\shibboleth-idp\conf\ldap.properties
+RUN del c:\opt\shibboleth-idp\conf\relying-party.xml
+RUN del c:\opt\shibboleth-idp\conf\attribute-filter.xml
+RUN del c:\opt\shibboleth-idp\conf\attribute-resolver.xml
+RUN del c:\opt\shibboleth-idp\conf\metadata-providers.xml
+RUN del c:\opt\shibboleth-idp\credentials\idp-signing.key
+RUN del c:\opt\shibboleth-idp\credentials\idp-signing.crt
+RUN del c:\opt\shibboleth-idp\credentials\idp-encryption.key
+RUN del c:\opt\shibboleth-idp\credentials\idp-encryption.crt
+RUN del c:\opt\shibboleth-idp\credentials\sealer.jks
+RUN del c:\opt\shibboleth-idp\credentials\sealer.kver
+
+
 
 EXPOSE 443