fix ci logic

.gitlab-ci.yml

 
 stages:
-  - build
+  - testbuild
   - deploy
-  - cleanup
 
 variables:
   imageversion: "2.2"
@@ -12,28 +11,32 @@ variables:
 
 before_script:
     - "docker login -u gitlab-ci-token -p $CI_JOB_TOKEN ${CI_REGISTRY}"
+    - 'curl "${rootfsurl}" > rootfs.tar.gz'
+    - 'echo "${rootfssha256sum} rootfs.tar.gz" | sha256sum -c &> /dev/null || exit 98'
+    - 'chmod a+x build.sh'
 
 after_script:
+    - 'rm -f rootfs.tar.gz'
     - "docker logout ${CI_REGISTRY}"
+    - "docker image prune -a -f"
 
-build:
-  stage: build
+testbuild:
+  stage: testbuild
+  except:
+    - tags
+    - triggers
+  tags: 
+    - docker
   script:
-    - 'curl "${rootfsurl}" > rootfs.tar.gz'
-    - 'echo "${rootfssha256sum} rootfs.tar.gz" | sha256sum -c &> /dev/null || exit 98'
-    - 'chmod a+x build.sh'
     - "./build.sh --rootfstarfile rootfs.tar.gz --imagename ${pushtag}"
-    - 'rm -f rootfs.tar.gz'
 
 deploy:
   stage: deploy
   only:
     - tags
     - triggers
+  tags: 
+    - docker
   script:
+    - "./build.sh --rootfstarfile rootfs.tar.gz --imagename ${pushtag}"
     - "docker push ${pushtag}"
-
-cleanup:
-  stage: cleanup
-  script:
-    - "docker image prune -a -f"