chore: fixing pipeline issues

- correct path to Dockerfile in CI script
- deactivate CI-Pipeline filter (existing tag)

.gitlab-ci.yml

@@ -52,9 +52,10 @@ build:
     - test_server
   tags:
     - docker-privileged
-  rules:
-    - if: $CI_COMMIT_TAG
-      when: always
+  # Deactivate filter for testing purposes
+  # rules:
+  #   - if: $CI_COMMIT_TAG
+  #     when: always
   image: docker:19.03.12
   services:
     - docker:19.03.12-dind
@@ -64,7 +65,6 @@ build:
     IMAGE_TAG: "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-${CI_COMMIT_TAG}"
     RELEASE_IMAGE_TAG: "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-${CI_PIPELINE_IID}:latest"
   script:
-    - cd app/server
     - docker build -t $IMAGE_TAG .
     - docker tag $IMAGE_TAG $RELEASE_IMAGE_TAG
     - docker push $IMAGE_TAG