fix bug in configure_release and add missing config artifacts to singularity stage

containers/release/configure_release.sh

@@ -9,12 +9,7 @@ mkdir -p config
 
 cp /etc/profile.d/z10_spack_environment.sh config/spack-env.sh
 
-export BRANCH=$1
-if [ ${BRANCH} == "release" ]; then
-  export TAG="latest"
-else
-  export TAG="unstable"
-fi
+export TAG=$1
 
 ## Spack sets the man-path, which stops bash from using the default man-path
 ## We can fix this by appending a trailing colon to MANPATH

gitlab-ci/build_and_deploy.yml.in

@@ -58,6 +58,9 @@ release:docker:
     - make $TARGET_RELEASE
     - echo "Publishing image $PUBLISH"
     - make $PUBLISH
+  artifacts:
+    paths:
+      - config
 
 release:singularity:
   stage: singularity