Merge branch 'ci/update-policy' into 'dev'

Update GitLab CI cache policy to use pull mode

See merge request rheinsw/website!16

.gitlab-ci.yml

@@ -17,6 +17,7 @@ cache:
   key: ${CI_COMMIT_REF_SLUG}
   paths:
     - node_modules/
+  policy: pull
 
 variables:
   NEXT_PUBLIC_ENV: "production"
@@ -65,17 +66,19 @@ dockerize:
     - echo "$CI_REGISTRY_PASSWORD" | docker login "$CI_REGISTRY" -u "$CI_REGISTRY_USER" --password-stdin
   script:
     - |
-      TAG="$CI_COMMIT_REF_NAME"
-      echo "Building Docker image with tag: $TAG"
+      RAW_TAG="$CI_COMMIT_REF_NAME"
+      TAG="${RAW_TAG//\//_}"  # replaces "/" with "_"
+      echo "Sanitized tag: $TAG"
       docker build -t $DOCKER_IMAGE:$TAG -f Dockerfile .
 
-      if [[ "$TAG" == "dev" || "$TAG" == "production" ]]; then
+      if [[ "$RAW_TAG" == "dev" || "$RAW_TAG" == "production" ]]; then
         echo "Pushing Docker image $DOCKER_IMAGE:$TAG"
         docker push $DOCKER_IMAGE:$TAG
       else
-        echo "Skipping Docker push for non-dev or production branch: $TAG"
+        echo "Skipping Docker push for non-dev or production branch: $RAW_TAG"
       fi
 
+
 deploy_production:
   stage: deploy
   rules: *deploy_production_rule