Draft: Resolve "Extrahovat Gateway z projketu dna-analyser"

Closes #1

.gitlab-ci.yml

-image: tiangolo/docker-with-compose
 
 variables:
   SPRING_PROFILES_ACTIVE: gitlab
   DOCKER_HOST: $DOCKER_HOST_BIO
-
+  IMAGE_TAG: $CI_COMMIT_TAG || latest
+  
 #services:
 #  - docker:dind
 
@@ -57,15 +57,12 @@ gradlew-bootJar:
 docker-build:
   variables:
     DOCKER_HOST: $DOCKER_HOST_BIO
-
   stage: build
   image: docker:git
   script:
-    - docker build -t $DOCKER_NAMESPACE/gateway:$TAG .
-    - docker save -o build/image.tar $DOCKER_NAMESPACE/gateway:$TAG
-  artifacts:
-    paths:
-      - build/image.tar
+    - echo $IMAGE_TAG
+    - docker build -t $DOCKER_NAMESPACE/gateway:$IMAGE_TAG .
+    - docker save -o build/image.tar $DOCKER_NAMESPACE/gateway:$IMAGE_TAG
 
 # ===========================================================================
 # Stage: test