Fix cache keys

Change-Id: I363f7f6961c3de0d4a23c5a3fdd08480547d58a5
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 213d48c..37fb414 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,10 +5,6 @@
 build-and-test:
   image: rocker/tidyverse
   stage: build-and-test
-  cache:
-    key: korap
-    paths:
-      - ./cache
   before_script:
     - source `find .. -name section_helper.sh`
 
@@ -46,7 +42,7 @@
         VID: snapshot
   stage: build-docker-image
   cache:
-    key: korap
+    key: corpuscomposition
     paths:
       - cache/
   before_script: