Remove certificates from base image

Author: MKodde

docker/ssp-debug-sp/Dockerfile

@@ -16,7 +16,6 @@ RUN git reset --hard adf1eb8
 COPY conf/config.php /app/config/config.php
 COPY conf/authsources.php /app/config/authsources.php
 COPY conf/accountgen.inc /app/config/accountgen.inc
-COPY certificates/* /app/cert/
 COPY conf/saml20-idp-hosted.php /app/metadata/saml20-idp-hosted.php
 COPY conf/saml20-idp-remote.php /app/metadata/saml20-idp-remote.php
 COPY conf/saml20-sp-remote.php /app/metadata/saml20-sp-remote.php

docker/ssp-debug-sp/certificates/idp.crt

@@ -69,7 +69,7 @@
                     'encryption' => false,
                     'signing' => true,
                     'type' => 'X509Certificate',
-                    'X509Certificate' => '{{ gateway_saml_idp_publickey | depem }}',
+                    'X509Certificate' => depem(file_get_contents('/app/cert/idp.crt')),
                 ),
         ),
 );
@@ -109,7 +109,7 @@
                     'encryption' => false,
                     'signing' => true,
                     'type' => 'X509Certificate',
-                    'X509Certificate' => '{{ gateway_saml_idp_publickey | depem }}',
+                    'X509Certificate' => depem(file_get_contents('/app/cert/idp.crt')),
                 ),
         ),
 );