kaniko: use moar cache

Signed-off-by: Frank Villaro-Dixon <frank.villaro@infomaniak.com>

tpl/docker-build.yml

@@ -35,6 +35,8 @@ docker-build-commit:
          /kaniko/executor \
          --force \
          --cache=true \
+         --cache-copy-layers \
+         --cache-repo=$CI_REGISTRY \
          --context "${CI_PROJECT_DIR}/${DOCKERFILE_LOCATION}" \
          --dockerfile "${CI_PROJECT_DIR}/${DOCKERFILE_LOCATION}/${DOCKERFILE_NAME}" \
          --destination "${CI_REGISTRY_IMAGE}/${CI_COMMIT_REF_NAME}:${CI_COMMIT_SHORT_SHA}" \